Finding the Third Proportional to 88,636,874 and 136,157,091

Step by Step Solution

1. Step 1: Write the proportion equation
   88,636,874 : 136,157,091 = 136,157,091 : x
2. Step 2: Convert to fraction form
   88,636,874/136,157,091 = 136,157,091/x
3. Step 3: Cross multiply
   88,636,874x = 136,157,091 × 136,157,091
4. Step 4: Simplify right side
   88,636,874x = 18,538,753,429,582,280
5. Step 5: Solve for x
   x = 18,538,753,429,582,280/88,636,874
6. Step 6: Final answer
   x = 209,153,962.60