Finding the Third Proportional to 120,783,441,459.45 and 262,772,850,084.55

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783,441,459.45 : 262,772,850,084.55 = 262,772,850,084.55 : x
2. Step 2: Convert to fraction form
   120,783,441,459.45/262,772,850,084.55 = 262,772,850,084.55/x
3. Step 3: Cross multiply
   120,783,441,459.45x = 262,772,850,084.55 × 262,772,850,084.55
4. Step 4: Simplify right side
   120,783,441,459.45x = 69,049,570,741,557,380,775,936
5. Step 5: Solve for x
   x = 69,049,570,741,557,380,775,936/120,783,441,459.45
6. Step 6: Final answer
   x = 571,680,769,377.14