Finding the Third Proportional to 553,716 and 791,805.38

Step by Step Solution

1. Step 1: Write the proportion equation
   553,716 : 791,805.38 = 791,805.38 : x
2. Step 2: Convert to fraction form
   553,716/791,805.38 = 791,805.38/x
3. Step 3: Cross multiply
   553,716x = 791,805.38 × 791,805.38
4. Step 4: Simplify right side
   553,716x = 626,955,751,878.89
5. Step 5: Solve for x
   x = 626,955,751,878.89/553,716
6. Step 6: Final answer
   x = 1,132,269.52