Finding the Third Proportional to 64,228.50 and 98,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,228.50 : 98,799.75 = 98,799.75 : x
2. Step 2: Convert to fraction form
   64,228.50/98,799.75 = 98,799.75/x
3. Step 3: Cross multiply
   64,228.50x = 98,799.75 × 98,799.75
4. Step 4: Simplify right side
   64,228.50x = 9,761,390,600.06
5. Step 5: Solve for x
   x = 9,761,390,600.06/64,228.50
6. Step 6: Final answer
   x = 151,979.12