Finding the Third Proportional to 31,045,986 and 65,308,968

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045,986 : 65,308,968 = 65,308,968 : x
2. Step 2: Convert to fraction form
   31,045,986/65,308,968 = 65,308,968/x
3. Step 3: Cross multiply
   31,045,986x = 65,308,968 × 65,308,968
4. Step 4: Simplify right side
   31,045,986x = 4,265,261,301,225,024
5. Step 5: Solve for x
   x = 4,265,261,301,225,024/31,045,986
6. Step 6: Final answer
   x = 137,385,274.26