Finding the Third Proportional to 488,440 and 1,041,396

Step by Step Solution

1. Step 1: Write the proportion equation
   488,440 : 1,041,396 = 1,041,396 : x
2. Step 2: Convert to fraction form
   488,440/1,041,396 = 1,041,396/x
3. Step 3: Cross multiply
   488,440x = 1,041,396 × 1,041,396
4. Step 4: Simplify right side
   488,440x = 1,084,505,628,816
5. Step 5: Solve for x
   x = 1,084,505,628,816/488,440
6. Step 6: Final answer
   x = 2,220,345.65