Finding the Third Proportional to 64,501.50 and 99,626.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,501.50 : 99,626.25 = 99,626.25 : x
2. Step 2: Convert to fraction form
   64,501.50/99,626.25 = 99,626.25/x
3. Step 3: Cross multiply
   64,501.50x = 99,626.25 × 99,626.25
4. Step 4: Simplify right side
   64,501.50x = 9,925,389,689.06
5. Step 5: Solve for x
   x = 9,925,389,689.06/64,501.50
6. Step 6: Final answer
   x = 153,878.43