Finding the Third Proportional to 67,852.69 and 137,527.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,852.69 : 137,527.88 = 137,527.88 : x
2. Step 2: Convert to fraction form
   67,852.69/137,527.88 = 137,527.88/x
3. Step 3: Cross multiply
   67,852.69x = 137,527.88 × 137,527.88
4. Step 4: Simplify right side
   67,852.69x = 18,913,916,402.02
5. Step 5: Solve for x
   x = 18,913,916,402.02/67,852.69
6. Step 6: Final answer
   x = 278,749.70