Finding the Third Proportional to 1,662,180 and 3,586,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,180 : 3,586,800 = 3,586,800 : x
2. Step 2: Convert to fraction form
   1,662,180/3,586,800 = 3,586,800/x
3. Step 3: Cross multiply
   1,662,180x = 3,586,800 × 3,586,800
4. Step 4: Simplify right side
   1,662,180x = 12,865,134,240,000
5. Step 5: Solve for x
   x = 12,865,134,240,000/1,662,180
6. Step 6: Final answer
   x = 7,739,916.40