Finding the Third Proportional to 124,513 and 193,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,513 : 193,117.50 = 193,117.50 : x
2. Step 2: Convert to fraction form
   124,513/193,117.50 = 193,117.50/x
3. Step 3: Cross multiply
   124,513x = 193,117.50 × 193,117.50
4. Step 4: Simplify right side
   124,513x = 37,294,368,806.25
5. Step 5: Solve for x
   x = 37,294,368,806.25/124,513
6. Step 6: Final answer
   x = 299,521.89