Finding the Third Proportional to 37,172.50 and 55,770

Step by Step Solution

1. Step 1: Write the proportion equation
   37,172.50 : 55,770 = 55,770 : x
2. Step 2: Convert to fraction form
   37,172.50/55,770 = 55,770/x
3. Step 3: Cross multiply
   37,172.50x = 55,770 × 55,770
4. Step 4: Simplify right side
   37,172.50x = 3,110,292,900
5. Step 5: Solve for x
   x = 3,110,292,900/37,172.50
6. Step 6: Final answer
   x = 83,671.88