Finding the Third Proportional to 12,942,756 and 28,161,864

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942,756 : 28,161,864 = 28,161,864 : x
2. Step 2: Convert to fraction form
   12,942,756/28,161,864 = 28,161,864/x
3. Step 3: Cross multiply
   12,942,756x = 28,161,864 × 28,161,864
4. Step 4: Simplify right side
   12,942,756x = 793,090,583,954,496
5. Step 5: Solve for x
   x = 793,090,583,954,496/12,942,756
6. Step 6: Final answer
   x = 61,276,793.29