Finding the Third Proportional to 245,583.75 and 542,784

Step by Step Solution

1. Step 1: Write the proportion equation
   245,583.75 : 542,784 = 542,784 : x
2. Step 2: Convert to fraction form
   245,583.75/542,784 = 542,784/x
3. Step 3: Cross multiply
   245,583.75x = 542,784 × 542,784
4. Step 4: Simplify right side
   245,583.75x = 294,614,470,656
5. Step 5: Solve for x
   x = 294,614,470,656/245,583.75
6. Step 6: Final answer
   x = 1,199,649.69