Finding the Third Proportional to 38,721 and 56,947

Step by Step Solution

1. Step 1: Write the proportion equation
   38,721 : 56,947 = 56,947 : x
2. Step 2: Convert to fraction form
   38,721/56,947 = 56,947/x
3. Step 3: Cross multiply
   38,721x = 56,947 × 56,947
4. Step 4: Simplify right side
   38,721x = 3,242,960,809
5. Step 5: Solve for x
   x = 3,242,960,809/38,721
6. Step 6: Final answer
   x = 83,751.99