Finding the Third Proportional to 696,766.50 and 1,018,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   696,766.50 : 1,018,264.50 = 1,018,264.50 : x
2. Step 2: Convert to fraction form
   696,766.50/1,018,264.50 = 1,018,264.50/x
3. Step 3: Cross multiply
   696,766.50x = 1,018,264.50 × 1,018,264.50
4. Step 4: Simplify right side
   696,766.50x = 1,036,862,591,960.25
5. Step 5: Solve for x
   x = 1,036,862,591,960.25/696,766.50
6. Step 6: Final answer
   x = 1,488,106.26