Finding the Third Proportional to 5,612,618 and 12,123,370

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,618 : 12,123,370 = 12,123,370 : x
2. Step 2: Convert to fraction form
   5,612,618/12,123,370 = 12,123,370/x
3. Step 3: Cross multiply
   5,612,618x = 12,123,370 × 12,123,370
4. Step 4: Simplify right side
   5,612,618x = 146,976,100,156,900
5. Step 5: Solve for x
   x = 146,976,100,156,900/5,612,618
6. Step 6: Final answer
   x = 26,186,727.86