Finding the Third Proportional to 36,942.50 and 72,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,942.50 : 72,038.50 = 72,038.50 : x
2. Step 2: Convert to fraction form
   36,942.50/72,038.50 = 72,038.50/x
3. Step 3: Cross multiply
   36,942.50x = 72,038.50 × 72,038.50
4. Step 4: Simplify right side
   36,942.50x = 5,189,545,482.25
5. Step 5: Solve for x
   x = 5,189,545,482.25/36,942.50
6. Step 6: Final answer
   x = 140,476.29