Finding the Third Proportional to 51,988 and 74,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,988 : 74,287.50 = 74,287.50 : x
2. Step 2: Convert to fraction form
   51,988/74,287.50 = 74,287.50/x
3. Step 3: Cross multiply
   51,988x = 74,287.50 × 74,287.50
4. Step 4: Simplify right side
   51,988x = 5,518,632,656.25
5. Step 5: Solve for x
   x = 5,518,632,656.25/51,988
6. Step 6: Final answer
   x = 106,152.05