Finding the Third Proportional to 74,281.50 and 111,438

Step by Step Solution

1. Step 1: Write the proportion equation
   74,281.50 : 111,438 = 111,438 : x
2. Step 2: Convert to fraction form
   74,281.50/111,438 = 111,438/x
3. Step 3: Cross multiply
   74,281.50x = 111,438 × 111,438
4. Step 4: Simplify right side
   74,281.50x = 12,418,427,844
5. Step 5: Solve for x
   x = 12,418,427,844/74,281.50
6. Step 6: Final answer
   x = 167,180.63