Finding the Third Proportional to 35,274.66 and 54,642.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,274.66 : 54,642.09 = 54,642.09 : x
2. Step 2: Convert to fraction form
   35,274.66/54,642.09 = 54,642.09/x
3. Step 3: Cross multiply
   35,274.66x = 54,642.09 × 54,642.09
4. Step 4: Simplify right side
   35,274.66x = 2,985,758,409.38
5. Step 5: Solve for x
   x = 2,985,758,409.38/35,274.66
6. Step 6: Final answer
   x = 84,643.16