Finding the Third Proportional to 40,408,920 and 88,641,216

Step by Step Solution

1. Step 1: Write the proportion equation
   40,408,920 : 88,641,216 = 88,641,216 : x
2. Step 2: Convert to fraction form
   40,408,920/88,641,216 = 88,641,216/x
3. Step 3: Cross multiply
   40,408,920x = 88,641,216 × 88,641,216
4. Step 4: Simplify right side
   40,408,920x = 7,857,265,173,958,656
5. Step 5: Solve for x
   x = 7,857,265,173,958,656/40,408,920
6. Step 6: Final answer
   x = 194,443,830.07