Finding the Third Proportional to 5,130,056 and 8,005,638

Step by Step Solution

1. Step 1: Write the proportion equation
   5,130,056 : 8,005,638 = 8,005,638 : x
2. Step 2: Convert to fraction form
   5,130,056/8,005,638 = 8,005,638/x
3. Step 3: Cross multiply
   5,130,056x = 8,005,638 × 8,005,638
4. Step 4: Simplify right side
   5,130,056x = 64,090,239,787,044
5. Step 5: Solve for x
   x = 64,090,239,787,044/5,130,056
6. Step 6: Final answer
   x = 12,493,087.75