Finding the Third Proportional to 1,706,186 and 3,949,889

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706,186 : 3,949,889 = 3,949,889 : x
2. Step 2: Convert to fraction form
   1,706,186/3,949,889 = 3,949,889/x
3. Step 3: Cross multiply
   1,706,186x = 3,949,889 × 3,949,889
4. Step 4: Simplify right side
   1,706,186x = 15,601,623,112,321
5. Step 5: Solve for x
   x = 15,601,623,112,321/1,706,186
6. Step 6: Final answer
   x = 9,144,151.41