Finding the Third Proportional to 78,691 and 169,946

Step by Step Solution

1. Step 1: Write the proportion equation
   78,691 : 169,946 = 169,946 : x
2. Step 2: Convert to fraction form
   78,691/169,946 = 169,946/x
3. Step 3: Cross multiply
   78,691x = 169,946 × 169,946
4. Step 4: Simplify right side
   78,691x = 28,881,642,916
5. Step 5: Solve for x
   x = 28,881,642,916/78,691
6. Step 6: Final answer
   x = 367,026.00