Finding the Third Proportional to 36,428.50 and 55,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,428.50 : 55,398.50 = 55,398.50 : x
2. Step 2: Convert to fraction form
   36,428.50/55,398.50 = 55,398.50/x
3. Step 3: Cross multiply
   36,428.50x = 55,398.50 × 55,398.50
4. Step 4: Simplify right side
   36,428.50x = 3,068,993,802.25
5. Step 5: Solve for x
   x = 3,068,993,802.25/36,428.50
6. Step 6: Final answer
   x = 84,247.05