Finding the Third Proportional to 57,672 and 139,583.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,672 : 139,583.25 = 139,583.25 : x
2. Step 2: Convert to fraction form
   57,672/139,583.25 = 139,583.25/x
3. Step 3: Cross multiply
   57,672x = 139,583.25 × 139,583.25
4. Step 4: Simplify right side
   57,672x = 19,483,483,680.56
5. Step 5: Solve for x
   x = 19,483,483,680.56/57,672
6. Step 6: Final answer
   x = 337,832.63