Finding the Third Proportional to 124,739 and 195,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,739 : 195,453.50 = 195,453.50 : x
2. Step 2: Convert to fraction form
   124,739/195,453.50 = 195,453.50/x
3. Step 3: Cross multiply
   124,739x = 195,453.50 × 195,453.50
4. Step 4: Simplify right side
   124,739x = 38,202,070,662.25
5. Step 5: Solve for x
   x = 38,202,070,662.25/124,739
6. Step 6: Final answer
   x = 306,256.03