Finding the Third Proportional to 162,776 and 380,300

Step by Step Solution

1. Step 1: Write the proportion equation
   162,776 : 380,300 = 380,300 : x
2. Step 2: Convert to fraction form
   162,776/380,300 = 380,300/x
3. Step 3: Cross multiply
   162,776x = 380,300 × 380,300
4. Step 4: Simplify right side
   162,776x = 144,628,090,000
5. Step 5: Solve for x
   x = 144,628,090,000/162,776
6. Step 6: Final answer
   x = 888,509.92