Finding the Third Proportional to 78,790 and 116,948

Step by Step Solution

1. Step 1: Write the proportion equation
   78,790 : 116,948 = 116,948 : x
2. Step 2: Convert to fraction form
   78,790/116,948 = 116,948/x
3. Step 3: Cross multiply
   78,790x = 116,948 × 116,948
4. Step 4: Simplify right side
   78,790x = 13,676,834,704
5. Step 5: Solve for x
   x = 13,676,834,704/78,790
6. Step 6: Final answer
   x = 173,585.92