Finding the Third Proportional to 215,418 and 460,157.25

Step by Step Solution

1. Step 1: Write the proportion equation
   215,418 : 460,157.25 = 460,157.25 : x
2. Step 2: Convert to fraction form
   215,418/460,157.25 = 460,157.25/x
3. Step 3: Cross multiply
   215,418x = 460,157.25 × 460,157.25
4. Step 4: Simplify right side
   215,418x = 211,744,694,727.56
5. Step 5: Solve for x
   x = 211,744,694,727.56/215,418
6. Step 6: Final answer
   x = 982,948.01