Finding the Third Proportional to 91,000.25 and 137,773.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,000.25 : 137,773.25 = 137,773.25 : x
2. Step 2: Convert to fraction form
   91,000.25/137,773.25 = 137,773.25/x
3. Step 3: Cross multiply
   91,000.25x = 137,773.25 × 137,773.25
4. Step 4: Simplify right side
   91,000.25x = 18,981,468,415.56
5. Step 5: Solve for x
   x = 18,981,468,415.56/91,000.25
6. Step 6: Final answer
   x = 208,586.99