Finding the Third Proportional to 34,009.50 and 72,069

Step by Step Solution

1. Step 1: Write the proportion equation
   34,009.50 : 72,069 = 72,069 : x
2. Step 2: Convert to fraction form
   34,009.50/72,069 = 72,069/x
3. Step 3: Cross multiply
   34,009.50x = 72,069 × 72,069
4. Step 4: Simplify right side
   34,009.50x = 5,193,940,761
5. Step 5: Solve for x
   x = 5,193,940,761/34,009.50
6. Step 6: Final answer
   x = 152,720.29