Finding the Third Proportional to 65,619.50 and 101,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,619.50 : 101,799.75 = 101,799.75 : x
2. Step 2: Convert to fraction form
   65,619.50/101,799.75 = 101,799.75/x
3. Step 3: Cross multiply
   65,619.50x = 101,799.75 × 101,799.75
4. Step 4: Simplify right side
   65,619.50x = 10,363,189,100.06
5. Step 5: Solve for x
   x = 10,363,189,100.06/65,619.50
6. Step 6: Final answer
   x = 157,928.50