Finding the Third Proportional to 32,458,686 and 68,538,828

Step by Step Solution

1. Step 1: Write the proportion equation
   32,458,686 : 68,538,828 = 68,538,828 : x
2. Step 2: Convert to fraction form
   32,458,686/68,538,828 = 68,538,828/x
3. Step 3: Cross multiply
   32,458,686x = 68,538,828 × 68,538,828
4. Step 4: Simplify right side
   32,458,686x = 4,697,570,943,613,584
5. Step 5: Solve for x
   x = 4,697,570,943,613,584/32,458,686
6. Step 6: Final answer
   x = 144,724,618.35