Finding the Third Proportional to 980,221.50 and 1,499,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   980,221.50 : 1,499,170.50 = 1,499,170.50 : x
2. Step 2: Convert to fraction form
   980,221.50/1,499,170.50 = 1,499,170.50/x
3. Step 3: Cross multiply
   980,221.50x = 1,499,170.50 × 1,499,170.50
4. Step 4: Simplify right side
   980,221.50x = 2,247,512,188,070.25
5. Step 5: Solve for x
   x = 2,247,512,188,070.25/980,221.50
6. Step 6: Final answer
   x = 2,292,861.55