Finding the Third Proportional to 74,998.50 and 116,280

Step by Step Solution

1. Step 1: Write the proportion equation
   74,998.50 : 116,280 = 116,280 : x
2. Step 2: Convert to fraction form
   74,998.50/116,280 = 116,280/x
3. Step 3: Cross multiply
   74,998.50x = 116,280 × 116,280
4. Step 4: Simplify right side
   74,998.50x = 13,521,038,400
5. Step 5: Solve for x
   x = 13,521,038,400/74,998.50
6. Step 6: Final answer
   x = 180,284.12