Finding the Third Proportional to 57,636,540 and 89,148,141

Step by Step Solution

1. Step 1: Write the proportion equation
   57,636,540 : 89,148,141 = 89,148,141 : x
2. Step 2: Convert to fraction form
   57,636,540/89,148,141 = 89,148,141/x
3. Step 3: Cross multiply
   57,636,540x = 89,148,141 × 89,148,141
4. Step 4: Simplify right side
   57,636,540x = 7,947,391,043,755,881
5. Step 5: Solve for x
   x = 7,947,391,043,755,881/57,636,540
6. Step 6: Final answer
   x = 137,888,066.21