Finding the Third Proportional to 231,426 and 469,290

Step by Step Solution

1. Step 1: Write the proportion equation
   231,426 : 469,290 = 469,290 : x
2. Step 2: Convert to fraction form
   231,426/469,290 = 469,290/x
3. Step 3: Cross multiply
   231,426x = 469,290 × 469,290
4. Step 4: Simplify right side
   231,426x = 220,233,104,100
5. Step 5: Solve for x
   x = 220,233,104,100/231,426
6. Step 6: Final answer
   x = 951,635.10