Finding the Third Proportional to 1,399,616 and 2,099,060

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,616 : 2,099,060 = 2,099,060 : x
2. Step 2: Convert to fraction form
   1,399,616/2,099,060 = 2,099,060/x
3. Step 3: Cross multiply
   1,399,616x = 2,099,060 × 2,099,060
4. Step 4: Simplify right side
   1,399,616x = 4,406,052,883,600
5. Step 5: Solve for x
   x = 4,406,052,883,600/1,399,616
6. Step 6: Final answer
   x = 3,148,044.09