Finding the Third Proportional to 8,874,156 and 12,681,372

Step by Step Solution

1. Step 1: Write the proportion equation
   8,874,156 : 12,681,372 = 12,681,372 : x
2. Step 2: Convert to fraction form
   8,874,156/12,681,372 = 12,681,372/x
3. Step 3: Cross multiply
   8,874,156x = 12,681,372 × 12,681,372
4. Step 4: Simplify right side
   8,874,156x = 160,817,195,802,384
5. Step 5: Solve for x
   x = 160,817,195,802,384/8,874,156
6. Step 6: Final answer
   x = 18,121,970.79