Finding the Third Proportional to 2,665,429 and 3,898,179

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,429 : 3,898,179 = 3,898,179 : x
2. Step 2: Convert to fraction form
   2,665,429/3,898,179 = 3,898,179/x
3. Step 3: Cross multiply
   2,665,429x = 3,898,179 × 3,898,179
4. Step 4: Simplify right side
   2,665,429x = 15,195,799,516,041
5. Step 5: Solve for x
   x = 15,195,799,516,041/2,665,429
6. Step 6: Final answer
   x = 5,701,070.83