Finding the Third Proportional to 45,879 and 72,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,879 : 72,994.50 = 72,994.50 : x
2. Step 2: Convert to fraction form
   45,879/72,994.50 = 72,994.50/x
3. Step 3: Cross multiply
   45,879x = 72,994.50 × 72,994.50
4. Step 4: Simplify right side
   45,879x = 5,328,197,030.25
5. Step 5: Solve for x
   x = 5,328,197,030.25/45,879
6. Step 6: Final answer
   x = 116,135.86