Finding the Third Proportional to 8,123,471 and 12,619,052

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123,471 : 12,619,052 = 12,619,052 : x
2. Step 2: Convert to fraction form
   8,123,471/12,619,052 = 12,619,052/x
3. Step 3: Cross multiply
   8,123,471x = 12,619,052 × 12,619,052
4. Step 4: Simplify right side
   8,123,471x = 159,240,473,378,704
5. Step 5: Solve for x
   x = 159,240,473,378,704/8,123,471
6. Step 6: Final answer
   x = 19,602,516.38