Finding the Third Proportional to 64,679.25 and 96,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,679.25 : 96,619.50 = 96,619.50 : x
2. Step 2: Convert to fraction form
   64,679.25/96,619.50 = 96,619.50/x
3. Step 3: Cross multiply
   64,679.25x = 96,619.50 × 96,619.50
4. Step 4: Simplify right side
   64,679.25x = 9,335,327,780.25
5. Step 5: Solve for x
   x = 9,335,327,780.25/64,679.25
6. Step 6: Final answer
   x = 144,332.65