Finding the Third Proportional to 367,026 and 561,510

Step by Step Solution

1. Step 1: Write the proportion equation
   367,026 : 561,510 = 561,510 : x
2. Step 2: Convert to fraction form
   367,026/561,510 = 561,510/x
3. Step 3: Cross multiply
   367,026x = 561,510 × 561,510
4. Step 4: Simplify right side
   367,026x = 315,293,480,100
5. Step 5: Solve for x
   x = 315,293,480,100/367,026
6. Step 6: Final answer
   x = 859,049.44