Finding the Third Proportional to 1,856,706 and 2,505,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856,706 : 2,505,120 = 2,505,120 : x
2. Step 2: Convert to fraction form
   1,856,706/2,505,120 = 2,505,120/x
3. Step 3: Cross multiply
   1,856,706x = 2,505,120 × 2,505,120
4. Step 4: Simplify right side
   1,856,706x = 6,275,626,214,400
5. Step 5: Solve for x
   x = 6,275,626,214,400/1,856,706
6. Step 6: Final answer
   x = 3,379,978.42