Finding the Third Proportional to 2,660,423 and 5,817,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,423 : 5,817,736 = 5,817,736 : x
2. Step 2: Convert to fraction form
   2,660,423/5,817,736 = 5,817,736/x
3. Step 3: Cross multiply
   2,660,423x = 5,817,736 × 5,817,736
4. Step 4: Simplify right side
   2,660,423x = 33,846,052,165,696
5. Step 5: Solve for x
   x = 33,846,052,165,696/2,660,423
6. Step 6: Final answer
   x = 12,722,056.67