Finding the Third Proportional to 8,063,509 and 12,485,279

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063,509 : 12,485,279 = 12,485,279 : x
2. Step 2: Convert to fraction form
   8,063,509/12,485,279 = 12,485,279/x
3. Step 3: Cross multiply
   8,063,509x = 12,485,279 × 12,485,279
4. Step 4: Simplify right side
   8,063,509x = 155,882,191,707,841
5. Step 5: Solve for x
   x = 155,882,191,707,841/8,063,509
6. Step 6: Final answer
   x = 19,331,806.01