Finding the Third Proportional to 8,180,788 and 12,805,134

Step by Step Solution

1. Step 1: Write the proportion equation
   8,180,788 : 12,805,134 = 12,805,134 : x
2. Step 2: Convert to fraction form
   8,180,788/12,805,134 = 12,805,134/x
3. Step 3: Cross multiply
   8,180,788x = 12,805,134 × 12,805,134
4. Step 4: Simplify right side
   8,180,788x = 163,971,456,757,956
5. Step 5: Solve for x
   x = 163,971,456,757,956/8,180,788
6. Step 6: Final answer
   x = 20,043,479.52