Finding the Third Proportional to 12,786,666 and 27,387,084

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786,666 : 27,387,084 = 27,387,084 : x
2. Step 2: Convert to fraction form
   12,786,666/27,387,084 = 27,387,084/x
3. Step 3: Cross multiply
   12,786,666x = 27,387,084 × 27,387,084
4. Step 4: Simplify right side
   12,786,666x = 750,052,370,023,056
5. Step 5: Solve for x
   x = 750,052,370,023,056/12,786,666
6. Step 6: Final answer
   x = 58,658,947.53