Finding the Third Proportional to 369,153 and 543,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,153 : 543,361.50 = 543,361.50 : x
2. Step 2: Convert to fraction form
   369,153/543,361.50 = 543,361.50/x
3. Step 3: Cross multiply
   369,153x = 543,361.50 × 543,361.50
4. Step 4: Simplify right side
   369,153x = 295,241,719,682.25
5. Step 5: Solve for x
   x = 295,241,719,682.25/369,153
6. Step 6: Final answer
   x = 799,781.44