Finding the Third Proportional to 88,636,780 and 136,156,938

Step by Step Solution

1. Step 1: Write the proportion equation
   88,636,780 : 136,156,938 = 136,156,938 : x
2. Step 2: Convert to fraction form
   88,636,780/136,156,938 = 136,156,938/x
3. Step 3: Cross multiply
   88,636,780x = 136,156,938 × 136,156,938
4. Step 4: Simplify right side
   88,636,780x = 18,538,711,765,535,844
5. Step 5: Solve for x
   x = 18,538,711,765,535,844/88,636,780
6. Step 6: Final answer
   x = 209,153,714.36