Finding the Third Proportional to 1,664,660 and 2,521,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,660 : 2,521,140 = 2,521,140 : x
2. Step 2: Convert to fraction form
   1,664,660/2,521,140 = 2,521,140/x
3. Step 3: Cross multiply
   1,664,660x = 2,521,140 × 2,521,140
4. Step 4: Simplify right side
   1,664,660x = 6,356,146,899,600
5. Step 5: Solve for x
   x = 6,356,146,899,600/1,664,660
6. Step 6: Final answer
   x = 3,818,285.36