Finding the Third Proportional to 215,819.86 and 469,955.25

Step by Step Solution

1. Step 1: Write the proportion equation
   215,819.86 : 469,955.25 = 469,955.25 : x
2. Step 2: Convert to fraction form
   215,819.86/469,955.25 = 469,955.25/x
3. Step 3: Cross multiply
   215,819.86x = 469,955.25 × 469,955.25
4. Step 4: Simplify right side
   215,819.86x = 220,857,937,002.56
5. Step 5: Solve for x
   x = 220,857,937,002.56/215,819.86
6. Step 6: Final answer
   x = 1,023,343.90