Finding the Third Proportional to 71,527.50 and 105,099

Step by Step Solution

1. Step 1: Write the proportion equation
   71,527.50 : 105,099 = 105,099 : x
2. Step 2: Convert to fraction form
   71,527.50/105,099 = 105,099/x
3. Step 3: Cross multiply
   71,527.50x = 105,099 × 105,099
4. Step 4: Simplify right side
   71,527.50x = 11,045,799,801
5. Step 5: Solve for x
   x = 11,045,799,801/71,527.50
6. Step 6: Final answer
   x = 154,427.32