Finding the Third Proportional to 428,946 and 928,500

Step by Step Solution

1. Step 1: Write the proportion equation
   428,946 : 928,500 = 928,500 : x
2. Step 2: Convert to fraction form
   428,946/928,500 = 928,500/x
3. Step 3: Cross multiply
   428,946x = 928,500 × 928,500
4. Step 4: Simplify right side
   428,946x = 862,112,250,000
5. Step 5: Solve for x
   x = 862,112,250,000/428,946
6. Step 6: Final answer
   x = 2,009,838.65