Finding the Third Proportional to 89,067,836 and 137,911,598

Step by Step Solution

1. Step 1: Write the proportion equation
   89,067,836 : 137,911,598 = 137,911,598 : x
2. Step 2: Convert to fraction form
   89,067,836/137,911,598 = 137,911,598/x
3. Step 3: Cross multiply
   89,067,836x = 137,911,598 × 137,911,598
4. Step 4: Simplify right side
   89,067,836x = 19,019,608,862,913,604
5. Step 5: Solve for x
   x = 19,019,608,862,913,604/89,067,836
6. Step 6: Final answer
   x = 213,540,709.16