Finding the Third Proportional to 1,715,401 and 3,666,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,401 : 3,666,878 = 3,666,878 : x
2. Step 2: Convert to fraction form
   1,715,401/3,666,878 = 3,666,878/x
3. Step 3: Cross multiply
   1,715,401x = 3,666,878 × 3,666,878
4. Step 4: Simplify right side
   1,715,401x = 13,445,994,266,884
5. Step 5: Solve for x
   x = 13,445,994,266,884/1,715,401
6. Step 6: Final answer
   x = 7,838,397.13