Finding the Third Proportional to 424,100.81 and 914,626.69

Step by Step Solution

1. Step 1: Write the proportion equation
   424,100.81 : 914,626.69 = 914,626.69 : x
2. Step 2: Convert to fraction form
   424,100.81/914,626.69 = 914,626.69/x
3. Step 3: Cross multiply
   424,100.81x = 914,626.69 × 914,626.69
4. Step 4: Simplify right side
   424,100.81x = 836,541,977,487.22
5. Step 5: Solve for x
   x = 836,541,977,487.22/424,100.81
6. Step 6: Final answer
   x = 1,972,507.37