Finding the Third Proportional to 172,696 and 371,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,696 : 371,635.50 = 371,635.50 : x
2. Step 2: Convert to fraction form
   172,696/371,635.50 = 371,635.50/x
3. Step 3: Cross multiply
   172,696x = 371,635.50 × 371,635.50
4. Step 4: Simplify right side
   172,696x = 138,112,944,860.25
5. Step 5: Solve for x
   x = 138,112,944,860.25/172,696
6. Step 6: Final answer
   x = 799,746.06