Finding the Third Proportional to 272,200.50 and 591,003

Step by Step Solution

1. Step 1: Write the proportion equation
   272,200.50 : 591,003 = 591,003 : x
2. Step 2: Convert to fraction form
   272,200.50/591,003 = 591,003/x
3. Step 3: Cross multiply
   272,200.50x = 591,003 × 591,003
4. Step 4: Simplify right side
   272,200.50x = 349,284,546,009
5. Step 5: Solve for x
   x = 349,284,546,009/272,200.50
6. Step 6: Final answer
   x = 1,283,188.48