Finding the Third Proportional to 490,110 and 749,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,110 : 749,581.50 = 749,581.50 : x
2. Step 2: Convert to fraction form
   490,110/749,581.50 = 749,581.50/x
3. Step 3: Cross multiply
   490,110x = 749,581.50 × 749,581.50
4. Step 4: Simplify right side
   490,110x = 561,872,425,142.25
5. Step 5: Solve for x
   x = 561,872,425,142.25/490,110
6. Step 6: Final answer
   x = 1,146,421.06