Finding the Third Proportional to 156,108 and 223,074

Step by Step Solution

1. Step 1: Write the proportion equation
   156,108 : 223,074 = 223,074 : x
2. Step 2: Convert to fraction form
   156,108/223,074 = 223,074/x
3. Step 3: Cross multiply
   156,108x = 223,074 × 223,074
4. Step 4: Simplify right side
   156,108x = 49,762,009,476
5. Step 5: Solve for x
   x = 49,762,009,476/156,108
6. Step 6: Final answer
   x = 318,766.56