Finding the Third Proportional to 88,488,578.50 and 123,036,295.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,488,578.50 : 123,036,295.50 = 123,036,295.50 : x
2. Step 2: Convert to fraction form
   88,488,578.50/123,036,295.50 = 123,036,295.50/x
3. Step 3: Cross multiply
   88,488,578.50x = 123,036,295.50 × 123,036,295.50
4. Step 4: Simplify right side
   88,488,578.50x = 15,137,930,010,363,320
5. Step 5: Solve for x
   x = 15,137,930,010,363,320/88,488,578.50
6. Step 6: Final answer
   x = 171,072,134.58