Finding the Third Proportional to 66,539.25 and 100,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,539.25 : 100,498.50 = 100,498.50 : x
2. Step 2: Convert to fraction form
   66,539.25/100,498.50 = 100,498.50/x
3. Step 3: Cross multiply
   66,539.25x = 100,498.50 × 100,498.50
4. Step 4: Simplify right side
   66,539.25x = 10,099,948,502.25
5. Step 5: Solve for x
   x = 10,099,948,502.25/66,539.25
6. Step 6: Final answer
   x = 151,789.33