Finding the Third Proportional to 424,158 and 914,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,158 : 914,725.50 = 914,725.50 : x
2. Step 2: Convert to fraction form
   424,158/914,725.50 = 914,725.50/x
3. Step 3: Cross multiply
   424,158x = 914,725.50 × 914,725.50
4. Step 4: Simplify right side
   424,158x = 836,722,740,350.25
5. Step 5: Solve for x
   x = 836,722,740,350.25/424,158
6. Step 6: Final answer
   x = 1,972,667.59