Finding the Third Proportional to 73,510.50 and 107,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,510.50 : 107,428.50 = 107,428.50 : x
2. Step 2: Convert to fraction form
   73,510.50/107,428.50 = 107,428.50/x
3. Step 3: Cross multiply
   73,510.50x = 107,428.50 × 107,428.50
4. Step 4: Simplify right side
   73,510.50x = 11,540,882,612.25
5. Step 5: Solve for x
   x = 11,540,882,612.25/73,510.50
6. Step 6: Final answer
   x = 156,996.38