Finding the Third Proportional to 156,739 and 238,389

Step by Step Solution

1. Step 1: Write the proportion equation
   156,739 : 238,389 = 238,389 : x
2. Step 2: Convert to fraction form
   156,739/238,389 = 238,389/x
3. Step 3: Cross multiply
   156,739x = 238,389 × 238,389
4. Step 4: Simplify right side
   156,739x = 56,829,315,321
5. Step 5: Solve for x
   x = 56,829,315,321/156,739
6. Step 6: Final answer
   x = 362,572.91