Finding the Third Proportional to 990,472.50 and 1,488,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   990,472.50 : 1,488,073.50 = 1,488,073.50 : x
2. Step 2: Convert to fraction form
   990,472.50/1,488,073.50 = 1,488,073.50/x
3. Step 3: Cross multiply
   990,472.50x = 1,488,073.50 × 1,488,073.50
4. Step 4: Simplify right side
   990,472.50x = 2,214,362,741,402.25
5. Step 5: Solve for x
   x = 2,214,362,741,402.25/990,472.50
6. Step 6: Final answer
   x = 2,235,663.02