Finding the Third Proportional to 217,116 and 471,363.75

Step by Step Solution

1. Step 1: Write the proportion equation
   217,116 : 471,363.75 = 471,363.75 : x
2. Step 2: Convert to fraction form
   217,116/471,363.75 = 471,363.75/x
3. Step 3: Cross multiply
   217,116x = 471,363.75 × 471,363.75
4. Step 4: Simplify right side
   217,116x = 222,183,784,814.06
5. Step 5: Solve for x
   x = 222,183,784,814.06/217,116
6. Step 6: Final answer
   x = 1,023,341.37