Finding the Third Proportional to 170,641.50 and 374,820

Step by Step Solution

1. Step 1: Write the proportion equation
   170,641.50 : 374,820 = 374,820 : x
2. Step 2: Convert to fraction form
   170,641.50/374,820 = 374,820/x
3. Step 3: Cross multiply
   170,641.50x = 374,820 × 374,820
4. Step 4: Simplify right side
   170,641.50x = 140,490,032,400
5. Step 5: Solve for x
   x = 140,490,032,400/170,641.50
6. Step 6: Final answer
   x = 823,305.19