Finding the Third Proportional to 1,687,351 and 3,712,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,351 : 3,712,392 = 3,712,392 : x
2. Step 2: Convert to fraction form
   1,687,351/3,712,392 = 3,712,392/x
3. Step 3: Cross multiply
   1,687,351x = 3,712,392 × 3,712,392
4. Step 4: Simplify right side
   1,687,351x = 13,781,854,361,664
5. Step 5: Solve for x
   x = 13,781,854,361,664/1,687,351
6. Step 6: Final answer
   x = 8,167,745.99