Finding the Third Proportional to 72,298 and 108,063

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298 : 108,063 = 108,063 : x
2. Step 2: Convert to fraction form
   72,298/108,063 = 108,063/x
3. Step 3: Cross multiply
   72,298x = 108,063 × 108,063
4. Step 4: Simplify right side
   72,298x = 11,677,611,969
5. Step 5: Solve for x
   x = 11,677,611,969/72,298
6. Step 6: Final answer
   x = 161,520.54