Finding the Third Proportional to 216,179 and 343,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   216,179 : 343,514.50 = 343,514.50 : x
2. Step 2: Convert to fraction form
   216,179/343,514.50 = 343,514.50/x
3. Step 3: Cross multiply
   216,179x = 343,514.50 × 343,514.50
4. Step 4: Simplify right side
   216,179x = 118,002,211,710.25
5. Step 5: Solve for x
   x = 118,002,211,710.25/216,179
6. Step 6: Final answer
   x = 545,854.18