Finding the Third Proportional to 72,172.50 and 103,962

Step by Step Solution

1. Step 1: Write the proportion equation
   72,172.50 : 103,962 = 103,962 : x
2. Step 2: Convert to fraction form
   72,172.50/103,962 = 103,962/x
3. Step 3: Cross multiply
   72,172.50x = 103,962 × 103,962
4. Step 4: Simplify right side
   72,172.50x = 10,808,097,444
5. Step 5: Solve for x
   x = 10,808,097,444/72,172.50
6. Step 6: Final answer
   x = 149,753.68