Finding the Third Proportional to 78,444 and 118,392

Step by Step Solution

1. Step 1: Write the proportion equation
   78,444 : 118,392 = 118,392 : x
2. Step 2: Convert to fraction form
   78,444/118,392 = 118,392/x
3. Step 3: Cross multiply
   78,444x = 118,392 × 118,392
4. Step 4: Simplify right side
   78,444x = 14,016,665,664
5. Step 5: Solve for x
   x = 14,016,665,664/78,444
6. Step 6: Final answer
   x = 178,683.72