Finding the Third Proportional to 1,687,725 and 3,438,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,725 : 3,438,114 = 3,438,114 : x
2. Step 2: Convert to fraction form
   1,687,725/3,438,114 = 3,438,114/x
3. Step 3: Cross multiply
   1,687,725x = 3,438,114 × 3,438,114
4. Step 4: Simplify right side
   1,687,725x = 11,820,627,876,996
5. Step 5: Solve for x
   x = 11,820,627,876,996/1,687,725
6. Step 6: Final answer
   x = 7,003,882.67