Finding the Third Proportional to 42,915,998 and 91,968,230

Step by Step Solution

1. Step 1: Write the proportion equation
   42,915,998 : 91,968,230 = 91,968,230 : x
2. Step 2: Convert to fraction form
   42,915,998/91,968,230 = 91,968,230/x
3. Step 3: Cross multiply
   42,915,998x = 91,968,230 × 91,968,230
4. Step 4: Simplify right side
   42,915,998x = 8,458,155,329,332,900
5. Step 5: Solve for x
   x = 8,458,155,329,332,900/42,915,998
6. Step 6: Final answer
   x = 197,086,301.69