Finding the Third Proportional to 2,660,417 and 5,817,724

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,417 : 5,817,724 = 5,817,724 : x
2. Step 2: Convert to fraction form
   2,660,417/5,817,724 = 5,817,724/x
3. Step 3: Cross multiply
   2,660,417x = 5,817,724 × 5,817,724
4. Step 4: Simplify right side
   2,660,417x = 33,845,912,540,176
5. Step 5: Solve for x
   x = 33,845,912,540,176/2,660,417
6. Step 6: Final answer
   x = 12,722,032.88