Finding the Third Proportional to 42,255,340 and 89,049,534

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255,340 : 89,049,534 = 89,049,534 : x
2. Step 2: Convert to fraction form
   42,255,340/89,049,534 = 89,049,534/x
3. Step 3: Cross multiply
   42,255,340x = 89,049,534 × 89,049,534
4. Step 4: Simplify right side
   42,255,340x = 7,929,819,505,617,156
5. Step 5: Solve for x
   x = 7,929,819,505,617,156/42,255,340
6. Step 6: Final answer
   x = 187,664,316.64