Finding the Third Proportional to 217,776 and 461,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   217,776 : 461,995.50 = 461,995.50 : x
2. Step 2: Convert to fraction form
   217,776/461,995.50 = 461,995.50/x
3. Step 3: Cross multiply
   217,776x = 461,995.50 × 461,995.50
4. Step 4: Simplify right side
   217,776x = 213,439,842,020.25
5. Step 5: Solve for x
   x = 213,439,842,020.25/217,776
6. Step 6: Final answer
   x = 980,088.91