Finding the Third Proportional to 59,252.50 and 139,869

Step by Step Solution

1. Step 1: Write the proportion equation
   59,252.50 : 139,869 = 139,869 : x
2. Step 2: Convert to fraction form
   59,252.50/139,869 = 139,869/x
3. Step 3: Cross multiply
   59,252.50x = 139,869 × 139,869
4. Step 4: Simplify right side
   59,252.50x = 19,563,337,161
5. Step 5: Solve for x
   x = 19,563,337,161/59,252.50
6. Step 6: Final answer
   x = 330,168.97