Finding the Third Proportional to 72,151 and 98,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,151 : 98,290.50 = 98,290.50 : x
2. Step 2: Convert to fraction form
   72,151/98,290.50 = 98,290.50/x
3. Step 3: Cross multiply
   72,151x = 98,290.50 × 98,290.50
4. Step 4: Simplify right side
   72,151x = 9,661,022,390.25
5. Step 5: Solve for x
   x = 9,661,022,390.25/72,151
6. Step 6: Final answer
   x = 133,900.05