Finding the Third Proportional to 282,021.75 and 615,492

Step by Step Solution

1. Step 1: Write the proportion equation
   282,021.75 : 615,492 = 615,492 : x
2. Step 2: Convert to fraction form
   282,021.75/615,492 = 615,492/x
3. Step 3: Cross multiply
   282,021.75x = 615,492 × 615,492
4. Step 4: Simplify right side
   282,021.75x = 378,830,402,064
5. Step 5: Solve for x
   x = 378,830,402,064/282,021.75
6. Step 6: Final answer
   x = 1,343,266.62