Finding the Third Proportional to 551,772 and 854,722.13

Step by Step Solution

1. Step 1: Write the proportion equation
   551,772 : 854,722.13 = 854,722.13 : x
2. Step 2: Convert to fraction form
   551,772/854,722.13 = 854,722.13/x
3. Step 3: Cross multiply
   551,772x = 854,722.13 × 854,722.13
4. Step 4: Simplify right side
   551,772x = 730,549,910,964.52
5. Step 5: Solve for x
   x = 730,549,910,964.52/551,772
6. Step 6: Final answer
   x = 1,324,006.86