Finding the Third Proportional to 5,107,768 and 7,617,360

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107,768 : 7,617,360 = 7,617,360 : x
2. Step 2: Convert to fraction form
   5,107,768/7,617,360 = 7,617,360/x
3. Step 3: Cross multiply
   5,107,768x = 7,617,360 × 7,617,360
4. Step 4: Simplify right side
   5,107,768x = 58,024,173,369,600
5. Step 5: Solve for x
   x = 58,024,173,369,600/5,107,768
6. Step 6: Final answer
   x = 11,359,986.08