Finding the Third Proportional to 30,672.84 and 65,053.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672.84 : 65,053.97 = 65,053.97 : x
2. Step 2: Convert to fraction form
   30,672.84/65,053.97 = 65,053.97/x
3. Step 3: Cross multiply
   30,672.84x = 65,053.97 × 65,053.97
4. Step 4: Simplify right side
   30,672.84x = 4,232,018,850.13
5. Step 5: Solve for x
   x = 4,232,018,850.13/30,672.84
6. Step 6: Final answer
   x = 137,972.82