Finding the Third Proportional to 424,203 and 914,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,203 : 914,824.50 = 914,824.50 : x
2. Step 2: Convert to fraction form
   424,203/914,824.50 = 914,824.50/x
3. Step 3: Cross multiply
   424,203x = 914,824.50 × 914,824.50
4. Step 4: Simplify right side
   424,203x = 836,903,865,800.25
5. Step 5: Solve for x
   x = 836,903,865,800.25/424,203
6. Step 6: Final answer
   x = 1,972,885.31