Finding the Third Proportional to 45,768,686 and 69,078,660

Step by Step Solution

1. Step 1: Write the proportion equation
   45,768,686 : 69,078,660 = 69,078,660 : x
2. Step 2: Convert to fraction form
   45,768,686/69,078,660 = 69,078,660/x
3. Step 3: Cross multiply
   45,768,686x = 69,078,660 × 69,078,660
4. Step 4: Simplify right side
   45,768,686x = 4,771,861,267,395,600
5. Step 5: Solve for x
   x = 4,771,861,267,395,600/45,768,686
6. Step 6: Final answer
   x = 104,260,394.70