Finding the Third Proportional to 486,109.50 and 760,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   486,109.50 : 760,826.25 = 760,826.25 : x
2. Step 2: Convert to fraction form
   486,109.50/760,826.25 = 760,826.25/x
3. Step 3: Cross multiply
   486,109.50x = 760,826.25 × 760,826.25
4. Step 4: Simplify right side
   486,109.50x = 578,856,582,689.06
5. Step 5: Solve for x
   x = 578,856,582,689.06/486,109.50
6. Step 6: Final answer
   x = 1,190,794.63