Finding the Third Proportional to 89,050.50 and 137,922.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,050.50 : 137,922.75 = 137,922.75 : x
2. Step 2: Convert to fraction form
   89,050.50/137,922.75 = 137,922.75/x
3. Step 3: Cross multiply
   89,050.50x = 137,922.75 × 137,922.75
4. Step 4: Simplify right side
   89,050.50x = 19,022,684,967.56
5. Step 5: Solve for x
   x = 19,022,684,967.56/89,050.50
6. Step 6: Final answer
   x = 213,616.82