Finding the Third Proportional to 118,444.50 and 253,170

Step by Step Solution

1. Step 1: Write the proportion equation
   118,444.50 : 253,170 = 253,170 : x
2. Step 2: Convert to fraction form
   118,444.50/253,170 = 253,170/x
3. Step 3: Cross multiply
   118,444.50x = 253,170 × 253,170
4. Step 4: Simplify right side
   118,444.50x = 64,095,048,900
5. Step 5: Solve for x
   x = 64,095,048,900/118,444.50
6. Step 6: Final answer
   x = 541,139.93