Finding the Third Proportional to 1,405,170 and 3,090,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,170 : 3,090,258 = 3,090,258 : x
2. Step 2: Convert to fraction form
   1,405,170/3,090,258 = 3,090,258/x
3. Step 3: Cross multiply
   1,405,170x = 3,090,258 × 3,090,258
4. Step 4: Simplify right side
   1,405,170x = 9,549,694,506,564
5. Step 5: Solve for x
   x = 9,549,694,506,564/1,405,170
6. Step 6: Final answer
   x = 6,796,113.29