Finding the Third Proportional to 623,315.25 and 1,364,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,315.25 : 1,364,863.50 = 1,364,863.50 : x
2. Step 2: Convert to fraction form
   623,315.25/1,364,863.50 = 1,364,863.50/x
3. Step 3: Cross multiply
   623,315.25x = 1,364,863.50 × 1,364,863.50
4. Step 4: Simplify right side
   623,315.25x = 1,862,852,373,632.25
5. Step 5: Solve for x
   x = 1,862,852,373,632.25/623,315.25
6. Step 6: Final answer
   x = 2,988,619.92