Finding the Third Proportional to 5,718,756 and 8,712,300

Step by Step Solution

1. Step 1: Write the proportion equation
   5,718,756 : 8,712,300 = 8,712,300 : x
2. Step 2: Convert to fraction form
   5,718,756/8,712,300 = 8,712,300/x
3. Step 3: Cross multiply
   5,718,756x = 8,712,300 × 8,712,300
4. Step 4: Simplify right side
   5,718,756x = 75,904,171,290,000
5. Step 5: Solve for x
   x = 75,904,171,290,000/5,718,756
6. Step 6: Final answer
   x = 13,272,846.63