Finding the Third Proportional to 37,786,986 and 78,928,668

Step by Step Solution

1. Step 1: Write the proportion equation
   37,786,986 : 78,928,668 = 78,928,668 : x
2. Step 2: Convert to fraction form
   37,786,986/78,928,668 = 78,928,668/x
3. Step 3: Cross multiply
   37,786,986x = 78,928,668 × 78,928,668
4. Step 4: Simplify right side
   37,786,986x = 6,229,734,632,254,224
5. Step 5: Solve for x
   x = 6,229,734,632,254,224/37,786,986
6. Step 6: Final answer
   x = 164,864,555.02