Finding the Third Proportional to 162,460 and 251,066

Step by Step Solution

1. Step 1: Write the proportion equation
   162,460 : 251,066 = 251,066 : x
2. Step 2: Convert to fraction form
   162,460/251,066 = 251,066/x
3. Step 3: Cross multiply
   162,460x = 251,066 × 251,066
4. Step 4: Simplify right side
   162,460x = 63,034,136,356
5. Step 5: Solve for x
   x = 63,034,136,356/162,460
6. Step 6: Final answer
   x = 387,997.88