Finding the Third Proportional to 136,807.50 and 192,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,807.50 : 192,520.50 = 192,520.50 : x
2. Step 2: Convert to fraction form
   136,807.50/192,520.50 = 192,520.50/x
3. Step 3: Cross multiply
   136,807.50x = 192,520.50 × 192,520.50
4. Step 4: Simplify right side
   136,807.50x = 37,064,142,920.25
5. Step 5: Solve for x
   x = 37,064,142,920.25/136,807.50
6. Step 6: Final answer
   x = 270,921.86