Finding the Third Proportional to 148,197.50 and 324,502

Step by Step Solution

1. Step 1: Write the proportion equation
   148,197.50 : 324,502 = 324,502 : x
2. Step 2: Convert to fraction form
   148,197.50/324,502 = 324,502/x
3. Step 3: Cross multiply
   148,197.50x = 324,502 × 324,502
4. Step 4: Simplify right side
   148,197.50x = 105,301,548,004
5. Step 5: Solve for x
   x = 105,301,548,004/148,197.50
6. Step 6: Final answer
   x = 710,548.75