Finding the Third Proportional to 217,300.22 and 336,182.91

Step by Step Solution

1. Step 1: Write the proportion equation
   217,300.22 : 336,182.91 = 336,182.91 : x
2. Step 2: Convert to fraction form
   217,300.22/336,182.91 = 336,182.91/x
3. Step 3: Cross multiply
   217,300.22x = 336,182.91 × 336,182.91
4. Step 4: Simplify right side
   217,300.22x = 113,018,946,454.70
5. Step 5: Solve for x
   x = 113,018,946,454.70/217,300.22
6. Step 6: Final answer
   x = 520,105.07