Finding the Third Proportional to 223,978.50 and 487,323

Step by Step Solution

1. Step 1: Write the proportion equation
   223,978.50 : 487,323 = 487,323 : x
2. Step 2: Convert to fraction form
   223,978.50/487,323 = 487,323/x
3. Step 3: Cross multiply
   223,978.50x = 487,323 × 487,323
4. Step 4: Simplify right side
   223,978.50x = 237,483,706,329
5. Step 5: Solve for x
   x = 237,483,706,329/223,978.50
6. Step 6: Final answer
   x = 1,060,296.89