Finding the Third Proportional to 2,420,515 and 5,266,881

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420,515 : 5,266,881 = 5,266,881 : x
2. Step 2: Convert to fraction form
   2,420,515/5,266,881 = 5,266,881/x
3. Step 3: Cross multiply
   2,420,515x = 5,266,881 × 5,266,881
4. Step 4: Simplify right side
   2,420,515x = 27,740,035,468,161
5. Step 5: Solve for x
   x = 27,740,035,468,161/2,420,515
6. Step 6: Final answer
   x = 11,460,385.69