Finding the Third Proportional to 1,706,199 and 3,949,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706,199 : 3,949,920 = 3,949,920 : x
2. Step 2: Convert to fraction form
   1,706,199/3,949,920 = 3,949,920/x
3. Step 3: Cross multiply
   1,706,199x = 3,949,920 × 3,949,920
4. Step 4: Simplify right side
   1,706,199x = 15,601,868,006,400
5. Step 5: Solve for x
   x = 15,601,868,006,400/1,706,199
6. Step 6: Final answer
   x = 9,144,225.27