Finding the Third Proportional to 89,067,834 and 137,911,594.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,067,834 : 137,911,594.50 = 137,911,594.50 : x
2. Step 2: Convert to fraction form
   89,067,834/137,911,594.50 = 137,911,594.50/x
3. Step 3: Cross multiply
   89,067,834x = 137,911,594.50 × 137,911,594.50
4. Step 4: Simplify right side
   89,067,834x = 19,019,607,897,532,432
5. Step 5: Solve for x
   x = 19,019,607,897,532,432/89,067,834
6. Step 6: Final answer
   x = 213,540,703.12