Finding the Third Proportional to 124,038 and 197,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,038 : 197,131.50 = 197,131.50 : x
2. Step 2: Convert to fraction form
   124,038/197,131.50 = 197,131.50/x
3. Step 3: Cross multiply
   124,038x = 197,131.50 × 197,131.50
4. Step 4: Simplify right side
   124,038x = 38,860,828,292.25
5. Step 5: Solve for x
   x = 38,860,828,292.25/124,038
6. Step 6: Final answer
   x = 313,297.77