Finding the Third Proportional to 428,941 and 928,490

Step by Step Solution

1. Step 1: Write the proportion equation
   428,941 : 928,490 = 928,490 : x
2. Step 2: Convert to fraction form
   428,941/928,490 = 928,490/x
3. Step 3: Cross multiply
   428,941x = 928,490 × 928,490
4. Step 4: Simplify right side
   428,941x = 862,093,680,100
5. Step 5: Solve for x
   x = 862,093,680,100/428,941
6. Step 6: Final answer
   x = 2,009,818.79