Finding the Third Proportional to 551,853 and 972,622.69

Step by Step Solution

1. Step 1: Write the proportion equation
   551,853 : 972,622.69 = 972,622.69 : x
2. Step 2: Convert to fraction form
   551,853/972,622.69 = 972,622.69/x
3. Step 3: Cross multiply
   551,853x = 972,622.69 × 972,622.69
4. Step 4: Simplify right side
   551,853x = 945,994,892,239.72
5. Step 5: Solve for x
   x = 945,994,892,239.72/551,853
6. Step 6: Final answer
   x = 1,714,215.37