Finding the Third Proportional to 7,863,399 and 16,820,014.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,863,399 : 16,820,014.50 = 16,820,014.50 : x
2. Step 2: Convert to fraction form
   7,863,399/16,820,014.50 = 16,820,014.50/x
3. Step 3: Cross multiply
   7,863,399x = 16,820,014.50 × 16,820,014.50
4. Step 4: Simplify right side
   7,863,399x = 282,912,887,780,210.25
5. Step 5: Solve for x
   x = 282,912,887,780,210.25/7,863,399
6. Step 6: Final answer
   x = 35,978,447.46