Finding the Third Proportional to 287,190.56 and 598,012.88

Step by Step Solution

1. Step 1: Write the proportion equation
   287,190.56 : 598,012.88 = 598,012.88 : x
2. Step 2: Convert to fraction form
   287,190.56/598,012.88 = 598,012.88/x
3. Step 3: Cross multiply
   287,190.56x = 598,012.88 × 598,012.88
4. Step 4: Simplify right side
   287,190.56x = 357,619,398,665.77
5. Step 5: Solve for x
   x = 357,619,398,665.77/287,190.56
6. Step 6: Final answer
   x = 1,245,233.81