Finding the Third Proportional to 64,727.25 and 99,346.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,727.25 : 99,346.50 = 99,346.50 : x
2. Step 2: Convert to fraction form
   64,727.25/99,346.50 = 99,346.50/x
3. Step 3: Cross multiply
   64,727.25x = 99,346.50 × 99,346.50
4. Step 4: Simplify right side
   64,727.25x = 9,869,727,062.25
5. Step 5: Solve for x
   x = 9,869,727,062.25/64,727.25
6. Step 6: Final answer
   x = 152,481.79