Finding the Third Proportional to 72,762.75 and 102,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,762.75 : 102,703.50 = 102,703.50 : x
2. Step 2: Convert to fraction form
   72,762.75/102,703.50 = 102,703.50/x
3. Step 3: Cross multiply
   72,762.75x = 102,703.50 × 102,703.50
4. Step 4: Simplify right side
   72,762.75x = 10,548,008,912.25
5. Step 5: Solve for x
   x = 10,548,008,912.25/72,762.75
6. Step 6: Final answer
   x = 144,964.41