Finding the Third Proportional to 5,908,142 and 12,720,244

Step by Step Solution

1. Step 1: Write the proportion equation
   5,908,142 : 12,720,244 = 12,720,244 : x
2. Step 2: Convert to fraction form
   5,908,142/12,720,244 = 12,720,244/x
3. Step 3: Cross multiply
   5,908,142x = 12,720,244 × 12,720,244
4. Step 4: Simplify right side
   5,908,142x = 161,804,607,419,536
5. Step 5: Solve for x
   x = 161,804,607,419,536/5,908,142
6. Step 6: Final answer
   x = 27,386,716.06