Finding the Third Proportional to 120,783,441,467 and 262,772,850,099

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783,441,467 : 262,772,850,099 = 262,772,850,099 : x
2. Step 2: Convert to fraction form
   120,783,441,467/262,772,850,099 = 262,772,850,099/x
3. Step 3: Cross multiply
   120,783,441,467x = 262,772,850,099 × 262,772,850,099
4. Step 4: Simplify right side
   120,783,441,467x = 69,049,570,749,151,520,489,472
5. Step 5: Solve for x
   x = 69,049,570,749,151,520,489,472/120,783,441,467
6. Step 6: Final answer
   x = 571,680,769,404.28