Finding the Third Proportional to 199,627.50 and 301,521

Step by Step Solution

1. Step 1: Write the proportion equation
   199,627.50 : 301,521 = 301,521 : x
2. Step 2: Convert to fraction form
   199,627.50/301,521 = 301,521/x
3. Step 3: Cross multiply
   199,627.50x = 301,521 × 301,521
4. Step 4: Simplify right side
   199,627.50x = 90,914,913,441
5. Step 5: Solve for x
   x = 90,914,913,441/199,627.50
6. Step 6: Final answer
   x = 455,422.79