Finding the Third Proportional to 39,423.94 and 56,670.19

Step by Step Solution

1. Step 1: Write the proportion equation
   39,423.94 : 56,670.19 = 56,670.19 : x
2. Step 2: Convert to fraction form
   39,423.94/56,670.19 = 56,670.19/x
3. Step 3: Cross multiply
   39,423.94x = 56,670.19 × 56,670.19
4. Step 4: Simplify right side
   39,423.94x = 3,211,510,151.29
5. Step 5: Solve for x
   x = 3,211,510,151.29/39,423.94
6. Step 6: Final answer
   x = 81,460.92