Finding the Third Proportional to 129,727.50 and 284,994

Step by Step Solution

1. Step 1: Write the proportion equation
   129,727.50 : 284,994 = 284,994 : x
2. Step 2: Convert to fraction form
   129,727.50/284,994 = 284,994/x
3. Step 3: Cross multiply
   129,727.50x = 284,994 × 284,994
4. Step 4: Simplify right side
   129,727.50x = 81,221,580,036
5. Step 5: Solve for x
   x = 81,221,580,036/129,727.50
6. Step 6: Final answer
   x = 626,093.77