Finding the Third Proportional to 56,555,763 and 86,477,256

Step by Step Solution

1. Step 1: Write the proportion equation
   56,555,763 : 86,477,256 = 86,477,256 : x
2. Step 2: Convert to fraction form
   56,555,763/86,477,256 = 86,477,256/x
3. Step 3: Cross multiply
   56,555,763x = 86,477,256 × 86,477,256
4. Step 4: Simplify right side
   56,555,763x = 7,478,315,805,289,536
5. Step 5: Solve for x
   x = 7,478,315,805,289,536/56,555,763
6. Step 6: Final answer
   x = 132,229,067.54