Finding the Third Proportional to 221,080.50 and 333,453

Step by Step Solution

1. Step 1: Write the proportion equation
   221,080.50 : 333,453 = 333,453 : x
2. Step 2: Convert to fraction form
   221,080.50/333,453 = 333,453/x
3. Step 3: Cross multiply
   221,080.50x = 333,453 × 333,453
4. Step 4: Simplify right side
   221,080.50x = 111,190,903,209
5. Step 5: Solve for x
   x = 111,190,903,209/221,080.50
6. Step 6: Final answer
   x = 502,943.06