Finding the Third Proportional to 12,186,380 and 26,470,554

Step by Step Solution

1. Step 1: Write the proportion equation
   12,186,380 : 26,470,554 = 26,470,554 : x
2. Step 2: Convert to fraction form
   12,186,380/26,470,554 = 26,470,554/x
3. Step 3: Cross multiply
   12,186,380x = 26,470,554 × 26,470,554
4. Step 4: Simplify right side
   12,186,380x = 700,690,229,066,916
5. Step 5: Solve for x
   x = 700,690,229,066,916/12,186,380
6. Step 6: Final answer
   x = 57,497,815.52