Finding the Third Proportional to 156,774 and 235,890

Step by Step Solution

1. Step 1: Write the proportion equation
   156,774 : 235,890 = 235,890 : x
2. Step 2: Convert to fraction form
   156,774/235,890 = 235,890/x
3. Step 3: Cross multiply
   156,774x = 235,890 × 235,890
4. Step 4: Simplify right side
   156,774x = 55,644,092,100
5. Step 5: Solve for x
   x = 55,644,092,100/156,774
6. Step 6: Final answer
   x = 354,931.89