Finding the Third Proportional to 2,387,880 and 5,160,672

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,880 : 5,160,672 = 5,160,672 : x
2. Step 2: Convert to fraction form
   2,387,880/5,160,672 = 5,160,672/x
3. Step 3: Cross multiply
   2,387,880x = 5,160,672 × 5,160,672
4. Step 4: Simplify right side
   2,387,880x = 26,632,535,491,584
5. Step 5: Solve for x
   x = 26,632,535,491,584/2,387,880
6. Step 6: Final answer
   x = 11,153,213.52