Finding the Third Proportional to 118,402.25 and 253,693

Step by Step Solution

1. Step 1: Write the proportion equation
   118,402.25 : 253,693 = 253,693 : x
2. Step 2: Convert to fraction form
   118,402.25/253,693 = 253,693/x
3. Step 3: Cross multiply
   118,402.25x = 253,693 × 253,693
4. Step 4: Simplify right side
   118,402.25x = 64,360,138,249
5. Step 5: Solve for x
   x = 64,360,138,249/118,402.25
6. Step 6: Final answer
   x = 543,571.92