Finding the Third Proportional to 3,753.84 and 8,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.84 : 8,360.72 = 8,360.72 : x
2. Step 2: Convert to fraction form
   3,753.84/8,360.72 = 8,360.72/x
3. Step 3: Cross multiply
   3,753.84x = 8,360.72 × 8,360.72
4. Step 4: Simplify right side
   3,753.84x = 69,901,618.02
5. Step 5: Solve for x
   x = 69,901,618.02/3,753.84
6. Step 6: Final answer
   x = 18,621.34