Finding the Third Proportional to 718,753.50 and 1,078,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   718,753.50 : 1,078,150.50 = 1,078,150.50 : x
2. Step 2: Convert to fraction form
   718,753.50/1,078,150.50 = 1,078,150.50/x
3. Step 3: Cross multiply
   718,753.50x = 1,078,150.50 × 1,078,150.50
4. Step 4: Simplify right side
   718,753.50x = 1,162,408,500,650.25
5. Step 5: Solve for x
   x = 1,162,408,500,650.25/718,753.50
6. Step 6: Final answer
   x = 1,617,256.13