Finding the Third Proportional to 424,206 and 914,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,206 : 914,830.50 = 914,830.50 : x
2. Step 2: Convert to fraction form
   424,206/914,830.50 = 914,830.50/x
3. Step 3: Cross multiply
   424,206x = 914,830.50 × 914,830.50
4. Step 4: Simplify right side
   424,206x = 836,914,843,730.25
5. Step 5: Solve for x
   x = 836,914,843,730.25/424,206
6. Step 6: Final answer
   x = 1,972,897.23