Finding the Third Proportional to 45,739.69 and 70,390.69

Step by Step Solution

1. Step 1: Write the proportion equation
   45,739.69 : 70,390.69 = 70,390.69 : x
2. Step 2: Convert to fraction form
   45,739.69/70,390.69 = 70,390.69/x
3. Step 3: Cross multiply
   45,739.69x = 70,390.69 × 70,390.69
4. Step 4: Simplify right side
   45,739.69x = 4,954,848,886.72
5. Step 5: Solve for x
   x = 4,954,848,886.72/45,739.69
6. Step 6: Final answer
   x = 108,327.13