Finding the Third Proportional to 402,481 and 838,034

Step by Step Solution

1. Step 1: Write the proportion equation
   402,481 : 838,034 = 838,034 : x
2. Step 2: Convert to fraction form
   402,481/838,034 = 838,034/x
3. Step 3: Cross multiply
   402,481x = 838,034 × 838,034
4. Step 4: Simplify right side
   402,481x = 702,300,985,156
5. Step 5: Solve for x
   x = 702,300,985,156/402,481
6. Step 6: Final answer
   x = 1,744,929.54