Finding the Third Proportional to 51,387 and 112,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,387 : 112,087.50 = 112,087.50 : x
2. Step 2: Convert to fraction form
   51,387/112,087.50 = 112,087.50/x
3. Step 3: Cross multiply
   51,387x = 112,087.50 × 112,087.50
4. Step 4: Simplify right side
   51,387x = 12,563,607,656.25
5. Step 5: Solve for x
   x = 12,563,607,656.25/51,387
6. Step 6: Final answer
   x = 244,490.00