Finding the Third Proportional to 37,072 and 54,312

Step by Step Solution

1. Step 1: Write the proportion equation
   37,072 : 54,312 = 54,312 : x
2. Step 2: Convert to fraction form
   37,072/54,312 = 54,312/x
3. Step 3: Cross multiply
   37,072x = 54,312 × 54,312
4. Step 4: Simplify right side
   37,072x = 2,949,793,344
5. Step 5: Solve for x
   x = 2,949,793,344/37,072
6. Step 6: Final answer
   x = 79,569.31