Finding the Third Proportional to 434,499.19 and 908,713.69

Step by Step Solution

1. Step 1: Write the proportion equation
   434,499.19 : 908,713.69 = 908,713.69 : x
2. Step 2: Convert to fraction form
   434,499.19/908,713.69 = 908,713.69/x
3. Step 3: Cross multiply
   434,499.19x = 908,713.69 × 908,713.69
4. Step 4: Simplify right side
   434,499.19x = 825,760,565,849.85
5. Step 5: Solve for x
   x = 825,760,565,849.85/434,499.19
6. Step 6: Final answer
   x = 1,900,488.17