Finding the Third Proportional to 91,200.75 and 137,093.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91,200.75 : 137,093.06 = 137,093.06 : x
2. Step 2: Convert to fraction form
   91,200.75/137,093.06 = 137,093.06/x
3. Step 3: Cross multiply
   91,200.75x = 137,093.06 × 137,093.06
4. Step 4: Simplify right side
   91,200.75x = 18,794,507,785.63
5. Step 5: Solve for x
   x = 18,794,507,785.63/91,200.75
6. Step 6: Final answer
   x = 206,078.43