Finding the Third Proportional to 118,254 and 140,124

Step by Step Solution

1. Step 1: Write the proportion equation
   118,254 : 140,124 = 140,124 : x
2. Step 2: Convert to fraction form
   118,254/140,124 = 140,124/x
3. Step 3: Cross multiply
   118,254x = 140,124 × 140,124
4. Step 4: Simplify right side
   118,254x = 19,634,735,376
5. Step 5: Solve for x
   x = 19,634,735,376/118,254
6. Step 6: Final answer
   x = 166,038.66