Finding the Third Proportional to 438,615 and 942,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   438,615 : 942,498.28 = 942,498.28 : x
2. Step 2: Convert to fraction form
   438,615/942,498.28 = 942,498.28/x
3. Step 3: Cross multiply
   438,615x = 942,498.28 × 942,498.28
4. Step 4: Simplify right side
   438,615x = 888,303,010,159.20
5. Step 5: Solve for x
   x = 888,303,010,159.20/438,615
6. Step 6: Final answer
   x = 2,025,245.40