Finding the Third Proportional to 217,899.50 and 474,382

Step by Step Solution

1. Step 1: Write the proportion equation
   217,899.50 : 474,382 = 474,382 : x
2. Step 2: Convert to fraction form
   217,899.50/474,382 = 474,382/x
3. Step 3: Cross multiply
   217,899.50x = 474,382 × 474,382
4. Step 4: Simplify right side
   217,899.50x = 225,038,281,924
5. Step 5: Solve for x
   x = 225,038,281,924/217,899.50
6. Step 6: Final answer
   x = 1,032,761.81