Finding the Third Proportional to 426,721.50 and 907,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,721.50 : 907,753.50 = 907,753.50 : x
2. Step 2: Convert to fraction form
   426,721.50/907,753.50 = 907,753.50/x
3. Step 3: Cross multiply
   426,721.50x = 907,753.50 × 907,753.50
4. Step 4: Simplify right side
   426,721.50x = 824,016,416,762.25
5. Step 5: Solve for x
   x = 824,016,416,762.25/426,721.50
6. Step 6: Final answer
   x = 1,931,040.31