Finding the Third Proportional to 64,710.75 and 101,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,710.75 : 101,530.50 = 101,530.50 : x
2. Step 2: Convert to fraction form
   64,710.75/101,530.50 = 101,530.50/x
3. Step 3: Cross multiply
   64,710.75x = 101,530.50 × 101,530.50
4. Step 4: Simplify right side
   64,710.75x = 10,308,442,430.25
5. Step 5: Solve for x
   x = 10,308,442,430.25/64,710.75
6. Step 6: Final answer
   x = 159,300.31