Finding the Third Proportional to 158,040 and 380,862

Step by Step Solution

1. Step 1: Write the proportion equation
   158,040 : 380,862 = 380,862 : x
2. Step 2: Convert to fraction form
   158,040/380,862 = 380,862/x
3. Step 3: Cross multiply
   158,040x = 380,862 × 380,862
4. Step 4: Simplify right side
   158,040x = 145,055,863,044
5. Step 5: Solve for x
   x = 145,055,863,044/158,040
6. Step 6: Final answer
   x = 917,842.72