Finding the Third Proportional to 56,597.50 and 121,889

Step by Step Solution

1. Step 1: Write the proportion equation
   56,597.50 : 121,889 = 121,889 : x
2. Step 2: Convert to fraction form
   56,597.50/121,889 = 121,889/x
3. Step 3: Cross multiply
   56,597.50x = 121,889 × 121,889
4. Step 4: Simplify right side
   56,597.50x = 14,856,928,321
5. Step 5: Solve for x
   x = 14,856,928,321/56,597.50
6. Step 6: Final answer
   x = 262,501.49