Finding the Third Proportional to 42,570,630 and 65,770,920

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570,630 : 65,770,920 = 65,770,920 : x
2. Step 2: Convert to fraction form
   42,570,630/65,770,920 = 65,770,920/x
3. Step 3: Cross multiply
   42,570,630x = 65,770,920 × 65,770,920
4. Step 4: Simplify right side
   42,570,630x = 4,325,813,917,646,400
5. Step 5: Solve for x
   x = 4,325,813,917,646,400/42,570,630
6. Step 6: Final answer
   x = 101,614,984.74