Finding the Third Proportional to 217,111.50 and 471,359

Step by Step Solution

1. Step 1: Write the proportion equation
   217,111.50 : 471,359 = 471,359 : x
2. Step 2: Convert to fraction form
   217,111.50/471,359 = 471,359/x
3. Step 3: Cross multiply
   217,111.50x = 471,359 × 471,359
4. Step 4: Simplify right side
   217,111.50x = 222,179,306,881
5. Step 5: Solve for x
   x = 222,179,306,881/217,111.50
6. Step 6: Final answer
   x = 1,023,341.96