Finding the Third Proportional to 72,628.50 and 108,906

Step by Step Solution

1. Step 1: Write the proportion equation
   72,628.50 : 108,906 = 108,906 : x
2. Step 2: Convert to fraction form
   72,628.50/108,906 = 108,906/x
3. Step 3: Cross multiply
   72,628.50x = 108,906 × 108,906
4. Step 4: Simplify right side
   72,628.50x = 11,860,516,836
5. Step 5: Solve for x
   x = 11,860,516,836/72,628.50
6. Step 6: Final answer
   x = 163,303.89