Finding the Third Proportional to 118,984.50 and 249,642

Step by Step Solution

1. Step 1: Write the proportion equation
   118,984.50 : 249,642 = 249,642 : x
2. Step 2: Convert to fraction form
   118,984.50/249,642 = 249,642/x
3. Step 3: Cross multiply
   118,984.50x = 249,642 × 249,642
4. Step 4: Simplify right side
   118,984.50x = 62,321,128,164
5. Step 5: Solve for x
   x = 62,321,128,164/118,984.50
6. Step 6: Final answer
   x = 523,775.18