Finding the Third Proportional to 156,776 and 238,851

Step by Step Solution

1. Step 1: Write the proportion equation
   156,776 : 238,851 = 238,851 : x
2. Step 2: Convert to fraction form
   156,776/238,851 = 238,851/x
3. Step 3: Cross multiply
   156,776x = 238,851 × 238,851
4. Step 4: Simplify right side
   156,776x = 57,049,800,201
5. Step 5: Solve for x
   x = 57,049,800,201/156,776
6. Step 6: Final answer
   x = 363,893.71