Finding the Third Proportional to 16,407 and 34,785

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407 : 34,785 = 34,785 : x
2. Step 2: Convert to fraction form
   16,407/34,785 = 34,785/x
3. Step 3: Cross multiply
   16,407x = 34,785 × 34,785
4. Step 4: Simplify right side
   16,407x = 1,209,996,225
5. Step 5: Solve for x
   x = 1,209,996,225/16,407
6. Step 6: Final answer
   x = 73,748.78