Finding the Third Proportional to 8,139,204 and 12,597,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139,204 : 12,597,079.50 = 12,597,079.50 : x
2. Step 2: Convert to fraction form
   8,139,204/12,597,079.50 = 12,597,079.50/x
3. Step 3: Cross multiply
   8,139,204x = 12,597,079.50 × 12,597,079.50
4. Step 4: Simplify right side
   8,139,204x = 158,686,411,929,320.25
5. Step 5: Solve for x
   x = 158,686,411,929,320.25/8,139,204
6. Step 6: Final answer
   x = 19,496,551.74