Finding the Third Proportional to 42,570,605 and 65,770,869

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570,605 : 65,770,869 = 65,770,869 : x
2. Step 2: Convert to fraction form
   42,570,605/65,770,869 = 65,770,869/x
3. Step 3: Cross multiply
   42,570,605x = 65,770,869 × 65,770,869
4. Step 4: Simplify right side
   42,570,605x = 4,325,807,209,015,161
5. Step 5: Solve for x
   x = 4,325,807,209,015,161/42,570,605
6. Step 6: Final answer
   x = 101,614,886.82