Finding the Third Proportional to 541,891 and 804,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   541,891 : 804,985.50 = 804,985.50 : x
2. Step 2: Convert to fraction form
   541,891/804,985.50 = 804,985.50/x
3. Step 3: Cross multiply
   541,891x = 804,985.50 × 804,985.50
4. Step 4: Simplify right side
   541,891x = 648,001,655,210.25
5. Step 5: Solve for x
   x = 648,001,655,210.25/541,891
6. Step 6: Final answer
   x = 1,195,815.50