Finding the Third Proportional to 457,400 and 1,003,131

Step by Step Solution

1. Step 1: Write the proportion equation
   457,400 : 1,003,131 = 1,003,131 : x
2. Step 2: Convert to fraction form
   457,400/1,003,131 = 1,003,131/x
3. Step 3: Cross multiply
   457,400x = 1,003,131 × 1,003,131
4. Step 4: Simplify right side
   457,400x = 1,006,271,803,161
5. Step 5: Solve for x
   x = 1,006,271,803,161/457,400
6. Step 6: Final answer
   x = 2,199,982.08