Finding the Third Proportional to 16,977 and 40,139

Step by Step Solution

1. Step 1: Write the proportion equation
   16,977 : 40,139 = 40,139 : x
2. Step 2: Convert to fraction form
   16,977/40,139 = 40,139/x
3. Step 3: Cross multiply
   16,977x = 40,139 × 40,139
4. Step 4: Simplify right side
   16,977x = 1,611,139,321
5. Step 5: Solve for x
   x = 1,611,139,321/16,977
6. Step 6: Final answer
   x = 94,901.30