Finding the Third Proportional to 8,170,503 and 12,291,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,170,503 : 12,291,019.50 = 12,291,019.50 : x
2. Step 2: Convert to fraction form
   8,170,503/12,291,019.50 = 12,291,019.50/x
3. Step 3: Cross multiply
   8,170,503x = 12,291,019.50 × 12,291,019.50
4. Step 4: Simplify right side
   8,170,503x = 151,069,160,349,380.25
5. Step 5: Solve for x
   x = 151,069,160,349,380.25/8,170,503
6. Step 6: Final answer
   x = 18,489,578.96