Finding the Third Proportional to 120,783,441,461.20 and 262,772,850,087.98

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783,441,461.20 : 262,772,850,087.98 = 262,772,850,087.98 : x
2. Step 2: Convert to fraction form
   120,783,441,461.20/262,772,850,087.98 = 262,772,850,087.98/x
3. Step 3: Cross multiply
   120,783,441,461.20x = 262,772,850,087.98 × 262,772,850,087.98
4. Step 4: Simplify right side
   120,783,441,461.20x = 69,049,570,743,360,017,137,664
5. Step 5: Solve for x
   x = 69,049,570,743,360,017,137,664/120,783,441,461.20
6. Step 6: Final answer
   x = 571,680,769,383.78