Finding the Third Proportional to 424,216.50 and 914,853

Step by Step Solution

1. Step 1: Write the proportion equation
   424,216.50 : 914,853 = 914,853 : x
2. Step 2: Convert to fraction form
   424,216.50/914,853 = 914,853/x
3. Step 3: Cross multiply
   424,216.50x = 914,853 × 914,853
4. Step 4: Simplify right side
   424,216.50x = 836,956,011,609
5. Step 5: Solve for x
   x = 836,956,011,609/424,216.50
6. Step 6: Final answer
   x = 1,972,945.45