Finding the Third Proportional to 938,128.50 and 2,048,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   938,128.50 : 2,048,287.50 = 2,048,287.50 : x
2. Step 2: Convert to fraction form
   938,128.50/2,048,287.50 = 2,048,287.50/x
3. Step 3: Cross multiply
   938,128.50x = 2,048,287.50 × 2,048,287.50
4. Step 4: Simplify right side
   938,128.50x = 4,195,481,682,656.25
5. Step 5: Solve for x
   x = 4,195,481,682,656.25/938,128.50
6. Step 6: Final answer
   x = 4,472,182.31