Finding the Third Proportional to 72,915 and 112,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,915 : 112,654.50 = 112,654.50 : x
2. Step 2: Convert to fraction form
   72,915/112,654.50 = 112,654.50/x
3. Step 3: Cross multiply
   72,915x = 112,654.50 × 112,654.50
4. Step 4: Simplify right side
   72,915x = 12,691,036,370.25
5. Step 5: Solve for x
   x = 12,691,036,370.25/72,915
6. Step 6: Final answer
   x = 174,052.48