Finding the Third Proportional to 560,143 and 1,229,131

Step by Step Solution

1. Step 1: Write the proportion equation
   560,143 : 1,229,131 = 1,229,131 : x
2. Step 2: Convert to fraction form
   560,143/1,229,131 = 1,229,131/x
3. Step 3: Cross multiply
   560,143x = 1,229,131 × 1,229,131
4. Step 4: Simplify right side
   560,143x = 1,510,763,015,161
5. Step 5: Solve for x
   x = 1,510,763,015,161/560,143
6. Step 6: Final answer
   x = 2,697,102.37