Finding the Third Proportional to 658,808 and 1,438,092

Step by Step Solution

1. Step 1: Write the proportion equation
   658,808 : 1,438,092 = 1,438,092 : x
2. Step 2: Convert to fraction form
   658,808/1,438,092 = 1,438,092/x
3. Step 3: Cross multiply
   658,808x = 1,438,092 × 1,438,092
4. Step 4: Simplify right side
   658,808x = 2,068,108,600,464
5. Step 5: Solve for x
   x = 2,068,108,600,464/658,808
6. Step 6: Final answer
   x = 3,139,167.41