Finding the Third Proportional to 143,799 and 272,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,799 : 272,833.50 = 272,833.50 : x
2. Step 2: Convert to fraction form
   143,799/272,833.50 = 272,833.50/x
3. Step 3: Cross multiply
   143,799x = 272,833.50 × 272,833.50
4. Step 4: Simplify right side
   143,799x = 74,438,118,722.25
5. Step 5: Solve for x
   x = 74,438,118,722.25/143,799
6. Step 6: Final answer
   x = 517,653.94