Finding the Third Proportional to 56,397 and 123,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,397 : 123,949.50 = 123,949.50 : x
2. Step 2: Convert to fraction form
   56,397/123,949.50 = 123,949.50/x
3. Step 3: Cross multiply
   56,397x = 123,949.50 × 123,949.50
4. Step 4: Simplify right side
   56,397x = 15,363,478,550.25
5. Step 5: Solve for x
   x = 15,363,478,550.25/56,397
6. Step 6: Final answer
   x = 272,416.59