Finding the Third Proportional to 172,435.50 and 376,947

Step by Step Solution

1. Step 1: Write the proportion equation
   172,435.50 : 376,947 = 376,947 : x
2. Step 2: Convert to fraction form
   172,435.50/376,947 = 376,947/x
3. Step 3: Cross multiply
   172,435.50x = 376,947 × 376,947
4. Step 4: Simplify right side
   172,435.50x = 142,089,040,809
5. Step 5: Solve for x
   x = 142,089,040,809/172,435.50
6. Step 6: Final answer
   x = 824,012.69