Finding the Third Proportional to 79,978.25 and 185,151

Step by Step Solution

1. Step 1: Write the proportion equation
   79,978.25 : 185,151 = 185,151 : x
2. Step 2: Convert to fraction form
   79,978.25/185,151 = 185,151/x
3. Step 3: Cross multiply
   79,978.25x = 185,151 × 185,151
4. Step 4: Simplify right side
   79,978.25x = 34,280,892,801
5. Step 5: Solve for x
   x = 34,280,892,801/79,978.25
6. Step 6: Final answer
   x = 428,627.69