Finding the Third Proportional to 428,427 and 930,600

Step by Step Solution

1. Step 1: Write the proportion equation
   428,427 : 930,600 = 930,600 : x
2. Step 2: Convert to fraction form
   428,427/930,600 = 930,600/x
3. Step 3: Cross multiply
   428,427x = 930,600 × 930,600
4. Step 4: Simplify right side
   428,427x = 866,016,360,000
5. Step 5: Solve for x
   x = 866,016,360,000/428,427
6. Step 6: Final answer
   x = 2,021,386.05