Finding the Third Proportional to 78,491.50 and 169,862

Step by Step Solution

1. Step 1: Write the proportion equation
   78,491.50 : 169,862 = 169,862 : x
2. Step 2: Convert to fraction form
   78,491.50/169,862 = 169,862/x
3. Step 3: Cross multiply
   78,491.50x = 169,862 × 169,862
4. Step 4: Simplify right side
   78,491.50x = 28,853,099,044
5. Step 5: Solve for x
   x = 28,853,099,044/78,491.50
6. Step 6: Final answer
   x = 367,595.21