Finding the Third Proportional to 156,745 and 238,789

Step by Step Solution

1. Step 1: Write the proportion equation
   156,745 : 238,789 = 238,789 : x
2. Step 2: Convert to fraction form
   156,745/238,789 = 238,789/x
3. Step 3: Cross multiply
   156,745x = 238,789 × 238,789
4. Step 4: Simplify right side
   156,745x = 57,020,186,521
5. Step 5: Solve for x
   x = 57,020,186,521/156,745
6. Step 6: Final answer
   x = 363,776.75