Finding the Third Proportional to 199,654 and 301,560

Step by Step Solution

1. Step 1: Write the proportion equation
   199,654 : 301,560 = 301,560 : x
2. Step 2: Convert to fraction form
   199,654/301,560 = 301,560/x
3. Step 3: Cross multiply
   199,654x = 301,560 × 301,560
4. Step 4: Simplify right side
   199,654x = 90,938,433,600
5. Step 5: Solve for x
   x = 90,938,433,600/199,654
6. Step 6: Final answer
   x = 455,480.15