Finding the Third Proportional to 434,499 and 908,724

Step by Step Solution

1. Step 1: Write the proportion equation
   434,499 : 908,724 = 908,724 : x
2. Step 2: Convert to fraction form
   434,499/908,724 = 908,724/x
3. Step 3: Cross multiply
   434,499x = 908,724 × 908,724
4. Step 4: Simplify right side
   434,499x = 825,779,308,176
5. Step 5: Solve for x
   x = 825,779,308,176/434,499
6. Step 6: Final answer
   x = 1,900,532.13