Finding the Third Proportional to 45,879.75 and 70,910.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,879.75 : 70,910.63 = 70,910.63 : x
2. Step 2: Convert to fraction form
   45,879.75/70,910.63 = 70,910.63/x
3. Step 3: Cross multiply
   45,879.75x = 70,910.63 × 70,910.63
4. Step 4: Simplify right side
   45,879.75x = 5,028,316,737.89
5. Step 5: Solve for x
   x = 5,028,316,737.89/45,879.75
6. Step 6: Final answer
   x = 109,597.74