Finding the Third Proportional to 42,904.69 and 56,634.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,904.69 : 56,634.19 = 56,634.19 : x
2. Step 2: Convert to fraction form
   42,904.69/56,634.19 = 56,634.19/x
3. Step 3: Cross multiply
   42,904.69x = 56,634.19 × 56,634.19
4. Step 4: Simplify right side
   42,904.69x = 3,207,431,193.79
5. Step 5: Solve for x
   x = 3,207,431,193.79/42,904.69
6. Step 6: Final answer
   x = 74,757.13