Finding the Third Proportional to 91,060.45 and 137,860.73

Step by Step Solution

1. Step 1: Write the proportion equation
   91,060.45 : 137,860.73 = 137,860.73 : x
2. Step 2: Convert to fraction form
   91,060.45/137,860.73 = 137,860.73/x
3. Step 3: Cross multiply
   91,060.45x = 137,860.73 × 137,860.73
4. Step 4: Simplify right side
   91,060.45x = 19,005,582,082.41
5. Step 5: Solve for x
   x = 19,005,582,082.41/91,060.45
6. Step 6: Final answer
   x = 208,713.90