Finding the Third Proportional to 78,397.50 and 118,326

Step by Step Solution

1. Step 1: Write the proportion equation
   78,397.50 : 118,326 = 118,326 : x
2. Step 2: Convert to fraction form
   78,397.50/118,326 = 118,326/x
3. Step 3: Cross multiply
   78,397.50x = 118,326 × 118,326
4. Step 4: Simplify right side
   78,397.50x = 14,001,042,276
5. Step 5: Solve for x
   x = 14,001,042,276/78,397.50
6. Step 6: Final answer
   x = 178,590.42