Finding the Third Proportional to 220,684.50 and 342,333

Step by Step Solution

1. Step 1: Write the proportion equation
   220,684.50 : 342,333 = 342,333 : x
2. Step 2: Convert to fraction form
   220,684.50/342,333 = 342,333/x
3. Step 3: Cross multiply
   220,684.50x = 342,333 × 342,333
4. Step 4: Simplify right side
   220,684.50x = 117,191,882,889
5. Step 5: Solve for x
   x = 117,191,882,889/220,684.50
6. Step 6: Final answer
   x = 531,038.12