Finding the Third Proportional to 491,406 and 740,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,406 : 740,572.50 = 740,572.50 : x
2. Step 2: Convert to fraction form
   491,406/740,572.50 = 740,572.50/x
3. Step 3: Cross multiply
   491,406x = 740,572.50 × 740,572.50
4. Step 4: Simplify right side
   491,406x = 548,447,627,756.25
5. Step 5: Solve for x
   x = 548,447,627,756.25/491,406
6. Step 6: Final answer
   x = 1,116,078.41