Finding the Third Proportional to 91,308 and 137,250

Step by Step Solution

1. Step 1: Write the proportion equation
   91,308 : 137,250 = 137,250 : x
2. Step 2: Convert to fraction form
   91,308/137,250 = 137,250/x
3. Step 3: Cross multiply
   91,308x = 137,250 × 137,250
4. Step 4: Simplify right side
   91,308x = 18,837,562,500
5. Step 5: Solve for x
   x = 18,837,562,500/91,308
6. Step 6: Final answer
   x = 206,307.91