Finding the Third Proportional to 55,523,638 and 88,665,469

Step by Step Solution

1. Step 1: Write the proportion equation
   55,523,638 : 88,665,469 = 88,665,469 : x
2. Step 2: Convert to fraction form
   55,523,638/88,665,469 = 88,665,469/x
3. Step 3: Cross multiply
   55,523,638x = 88,665,469 × 88,665,469
4. Step 4: Simplify right side
   55,523,638x = 7,861,565,392,989,961
5. Step 5: Solve for x
   x = 7,861,565,392,989,961/55,523,638
6. Step 6: Final answer
   x = 141,589,522.52