Finding the Third Proportional to 541,857 and 843,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   541,857 : 843,805.50 = 843,805.50 : x
2. Step 2: Convert to fraction form
   541,857/843,805.50 = 843,805.50/x
3. Step 3: Cross multiply
   541,857x = 843,805.50 × 843,805.50
4. Step 4: Simplify right side
   541,857x = 712,007,721,830.25
5. Step 5: Solve for x
   x = 712,007,721,830.25/541,857
6. Step 6: Final answer
   x = 1,314,014.07