Finding the Third Proportional to 365,077.50 and 798,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   365,077.50 : 798,976.50 = 798,976.50 : x
2. Step 2: Convert to fraction form
   365,077.50/798,976.50 = 798,976.50/x
3. Step 3: Cross multiply
   365,077.50x = 798,976.50 × 798,976.50
4. Step 4: Simplify right side
   365,077.50x = 638,363,447,552.25
5. Step 5: Solve for x
   x = 638,363,447,552.25/365,077.50
6. Step 6: Final answer
   x = 1,748,569.68