Finding the Third Proportional to 221,700.38 and 484,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,700.38 : 484,807.50 = 484,807.50 : x
2. Step 2: Convert to fraction form
   221,700.38/484,807.50 = 484,807.50/x
3. Step 3: Cross multiply
   221,700.38x = 484,807.50 × 484,807.50
4. Step 4: Simplify right side
   221,700.38x = 235,038,312,056.25
5. Step 5: Solve for x
   x = 235,038,312,056.25/221,700.38
6. Step 6: Final answer
   x = 1,060,162.00