Finding the Third Proportional to 12,847,900 and 27,812,790

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847,900 : 27,812,790 = 27,812,790 : x
2. Step 2: Convert to fraction form
   12,847,900/27,812,790 = 27,812,790/x
3. Step 3: Cross multiply
   12,847,900x = 27,812,790 × 27,812,790
4. Step 4: Simplify right side
   12,847,900x = 773,551,287,584,100
5. Step 5: Solve for x
   x = 773,551,287,584,100/12,847,900
6. Step 6: Final answer
   x = 60,208,383.28