Finding the Third Proportional to 574,128 and 1,340,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,128 : 1,340,995.50 = 1,340,995.50 : x
2. Step 2: Convert to fraction form
   574,128/1,340,995.50 = 1,340,995.50/x
3. Step 3: Cross multiply
   574,128x = 1,340,995.50 × 1,340,995.50
4. Step 4: Simplify right side
   574,128x = 1,798,268,931,020.25
5. Step 5: Solve for x
   x = 1,798,268,931,020.25/574,128
6. Step 6: Final answer
   x = 3,132,174.24