Finding the Third Proportional to 173,076 and 262,862

Step by Step Solution

1. Step 1: Write the proportion equation
   173,076 : 262,862 = 262,862 : x
2. Step 2: Convert to fraction form
   173,076/262,862 = 262,862/x
3. Step 3: Cross multiply
   173,076x = 262,862 × 262,862
4. Step 4: Simplify right side
   173,076x = 69,096,431,044
5. Step 5: Solve for x
   x = 69,096,431,044/173,076
6. Step 6: Final answer
   x = 399,225.95