Finding the Third Proportional to 57,300 and 118,200

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300 : 118,200 = 118,200 : x
2. Step 2: Convert to fraction form
   57,300/118,200 = 118,200/x
3. Step 3: Cross multiply
   57,300x = 118,200 × 118,200
4. Step 4: Simplify right side
   57,300x = 13,971,240,000
5. Step 5: Solve for x
   x = 13,971,240,000/57,300
6. Step 6: Final answer
   x = 243,826.18