Finding the Third Proportional to 228,020 and 499,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,020 : 499,820.50 = 499,820.50 : x
2. Step 2: Convert to fraction form
   228,020/499,820.50 = 499,820.50/x
3. Step 3: Cross multiply
   228,020x = 499,820.50 × 499,820.50
4. Step 4: Simplify right side
   228,020x = 249,820,532,220.25
5. Step 5: Solve for x
   x = 249,820,532,220.25/228,020
6. Step 6: Final answer
   x = 1,095,607.98