Finding the Third Proportional to 5,877,920 and 12,736,721

Step by Step Solution

1. Step 1: Write the proportion equation
   5,877,920 : 12,736,721 = 12,736,721 : x
2. Step 2: Convert to fraction form
   5,877,920/12,736,721 = 12,736,721/x
3. Step 3: Cross multiply
   5,877,920x = 12,736,721 × 12,736,721
4. Step 4: Simplify right side
   5,877,920x = 162,224,061,831,841
5. Step 5: Solve for x
   x = 162,224,061,831,841/5,877,920
6. Step 6: Final answer
   x = 27,598,889.03