Finding the Third Proportional to 55,149,882 and 87,286,968

Step by Step Solution

1. Step 1: Write the proportion equation
   55,149,882 : 87,286,968 = 87,286,968 : x
2. Step 2: Convert to fraction form
   55,149,882/87,286,968 = 87,286,968/x
3. Step 3: Cross multiply
   55,149,882x = 87,286,968 × 87,286,968
4. Step 4: Simplify right side
   55,149,882x = 7,619,014,782,633,024
5. Step 5: Solve for x
   x = 7,619,014,782,633,024/55,149,882
6. Step 6: Final answer
   x = 138,151,062.27