Finding the Third Proportional to 490,363.50 and 749,807.25

Step by Step Solution

1. Step 1: Write the proportion equation
   490,363.50 : 749,807.25 = 749,807.25 : x
2. Step 2: Convert to fraction form
   490,363.50/749,807.25 = 749,807.25/x
3. Step 3: Cross multiply
   490,363.50x = 749,807.25 × 749,807.25
4. Step 4: Simplify right side
   490,363.50x = 562,210,912,152.56
5. Step 5: Solve for x
   x = 562,210,912,152.56/490,363.50
6. Step 6: Final answer
   x = 1,146,518.68