Finding the Third Proportional to 34,102 and 72,940

Step by Step Solution

1. Step 1: Write the proportion equation
   34,102 : 72,940 = 72,940 : x
2. Step 2: Convert to fraction form
   34,102/72,940 = 72,940/x
3. Step 3: Cross multiply
   34,102x = 72,940 × 72,940
4. Step 4: Simplify right side
   34,102x = 5,320,243,600
5. Step 5: Solve for x
   x = 5,320,243,600/34,102
6. Step 6: Final answer
   x = 156,009.72