Finding the Third Proportional to 1,399,632 and 2,858,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,632 : 2,858,310 = 2,858,310 : x
2. Step 2: Convert to fraction form
   1,399,632/2,858,310 = 2,858,310/x
3. Step 3: Cross multiply
   1,399,632x = 2,858,310 × 2,858,310
4. Step 4: Simplify right side
   1,399,632x = 8,169,936,056,100
5. Step 5: Solve for x
   x = 8,169,936,056,100/1,399,632
6. Step 6: Final answer
   x = 5,837,202.96