Finding the Third Proportional to 1,577,828 and 3,407,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,828 : 3,407,980 = 3,407,980 : x
2. Step 2: Convert to fraction form
   1,577,828/3,407,980 = 3,407,980/x
3. Step 3: Cross multiply
   1,577,828x = 3,407,980 × 3,407,980
4. Step 4: Simplify right side
   1,577,828x = 11,614,327,680,400
5. Step 5: Solve for x
   x = 11,614,327,680,400/1,577,828
6. Step 6: Final answer
   x = 7,360,959.29