Finding the Third Proportional to 220,152 and 340,150

Step by Step Solution

1. Step 1: Write the proportion equation
   220,152 : 340,150 = 340,150 : x
2. Step 2: Convert to fraction form
   220,152/340,150 = 340,150/x
3. Step 3: Cross multiply
   220,152x = 340,150 × 340,150
4. Step 4: Simplify right side
   220,152x = 115,702,022,500
5. Step 5: Solve for x
   x = 115,702,022,500/220,152
6. Step 6: Final answer
   x = 525,555.17