Finding the Third Proportional to 424,107 and 914,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,107 : 914,638.50 = 914,638.50 : x
2. Step 2: Convert to fraction form
   424,107/914,638.50 = 914,638.50/x
3. Step 3: Cross multiply
   424,107x = 914,638.50 × 914,638.50
4. Step 4: Simplify right side
   424,107x = 836,563,585,682.25
5. Step 5: Solve for x
   x = 836,563,585,682.25/424,107
6. Step 6: Final answer
   x = 1,972,529.54