Finding the Third Proportional to 72,064 and 155,216

Step by Step Solution

1. Step 1: Write the proportion equation
   72,064 : 155,216 = 155,216 : x
2. Step 2: Convert to fraction form
   72,064/155,216 = 155,216/x
3. Step 3: Cross multiply
   72,064x = 155,216 × 155,216
4. Step 4: Simplify right side
   72,064x = 24,092,006,656
5. Step 5: Solve for x
   x = 24,092,006,656/72,064
6. Step 6: Final answer
   x = 334,314.04