Finding the Third Proportional to 156,743 and 238,786

Step by Step Solution

1. Step 1: Write the proportion equation
   156,743 : 238,786 = 238,786 : x
2. Step 2: Convert to fraction form
   156,743/238,786 = 238,786/x
3. Step 3: Cross multiply
   156,743x = 238,786 × 238,786
4. Step 4: Simplify right side
   156,743x = 57,018,753,796
5. Step 5: Solve for x
   x = 57,018,753,796/156,743
6. Step 6: Final answer
   x = 363,772.25