Finding the Third Proportional to 1,590,657 and 2,409,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,657 : 2,409,140 = 2,409,140 : x
2. Step 2: Convert to fraction form
   1,590,657/2,409,140 = 2,409,140/x
3. Step 3: Cross multiply
   1,590,657x = 2,409,140 × 2,409,140
4. Step 4: Simplify right side
   1,590,657x = 5,803,955,539,600
5. Step 5: Solve for x
   x = 5,803,955,539,600/1,590,657
6. Step 6: Final answer
   x = 3,648,778.80