Finding the Third Proportional to 272,337.50 and 598,420

Step by Step Solution

1. Step 1: Write the proportion equation
   272,337.50 : 598,420 = 598,420 : x
2. Step 2: Convert to fraction form
   272,337.50/598,420 = 598,420/x
3. Step 3: Cross multiply
   272,337.50x = 598,420 × 598,420
4. Step 4: Simplify right side
   272,337.50x = 358,106,496,400
5. Step 5: Solve for x
   x = 358,106,496,400/272,337.50
6. Step 6: Final answer
   x = 1,314,936.42