Finding the Third Proportional to 8,063,510 and 12,485,280

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063,510 : 12,485,280 = 12,485,280 : x
2. Step 2: Convert to fraction form
   8,063,510/12,485,280 = 12,485,280/x
3. Step 3: Cross multiply
   8,063,510x = 12,485,280 × 12,485,280
4. Step 4: Simplify right side
   8,063,510x = 155,882,216,678,400
5. Step 5: Solve for x
   x = 155,882,216,678,400/8,063,510
6. Step 6: Final answer
   x = 19,331,806.70