Finding the Third Proportional to 79,979 and 185,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,979 : 185,151.50 = 185,151.50 : x
2. Step 2: Convert to fraction form
   79,979/185,151.50 = 185,151.50/x
3. Step 3: Cross multiply
   79,979x = 185,151.50 × 185,151.50
4. Step 4: Simplify right side
   79,979x = 34,281,077,952.25
5. Step 5: Solve for x
   x = 34,281,077,952.25/79,979
6. Step 6: Final answer
   x = 428,625.99