Finding the Third Proportional to 87,359,778 and 139,073,735

Step by Step Solution

1. Step 1: Write the proportion equation
   87,359,778 : 139,073,735 = 139,073,735 : x
2. Step 2: Convert to fraction form
   87,359,778/139,073,735 = 139,073,735/x
3. Step 3: Cross multiply
   87,359,778x = 139,073,735 × 139,073,735
4. Step 4: Simplify right side
   87,359,778x = 19,341,503,766,850,224
5. Step 5: Solve for x
   x = 19,341,503,766,850,224/87,359,778
6. Step 6: Final answer
   x = 221,400,559.96