Finding the Third Proportional to 124,327.50 and 197,178

Step by Step Solution

1. Step 1: Write the proportion equation
   124,327.50 : 197,178 = 197,178 : x
2. Step 2: Convert to fraction form
   124,327.50/197,178 = 197,178/x
3. Step 3: Cross multiply
   124,327.50x = 197,178 × 197,178
4. Step 4: Simplify right side
   124,327.50x = 38,879,163,684
5. Step 5: Solve for x
   x = 38,879,163,684/124,327.50
6. Step 6: Final answer
   x = 312,715.72