Finding the Third Proportional to 169,165.50 and 371,820

Step by Step Solution

1. Step 1: Write the proportion equation
   169,165.50 : 371,820 = 371,820 : x
2. Step 2: Convert to fraction form
   169,165.50/371,820 = 371,820/x
3. Step 3: Cross multiply
   169,165.50x = 371,820 × 371,820
4. Step 4: Simplify right side
   169,165.50x = 138,250,112,400
5. Step 5: Solve for x
   x = 138,250,112,400/169,165.50
6. Step 6: Final answer
   x = 817,247.68