Finding the Third Proportional to 72,924 and 104,280

Step by Step Solution

1. Step 1: Write the proportion equation
   72,924 : 104,280 = 104,280 : x
2. Step 2: Convert to fraction form
   72,924/104,280 = 104,280/x
3. Step 3: Cross multiply
   72,924x = 104,280 × 104,280
4. Step 4: Simplify right side
   72,924x = 10,874,318,400
5. Step 5: Solve for x
   x = 10,874,318,400/72,924
6. Step 6: Final answer
   x = 149,118.51