Finding the Third Proportional to 30,715,080 and 67,215,504

Step by Step Solution

1. Step 1: Write the proportion equation
   30,715,080 : 67,215,504 = 67,215,504 : x
2. Step 2: Convert to fraction form
   30,715,080/67,215,504 = 67,215,504/x
3. Step 3: Cross multiply
   30,715,080x = 67,215,504 × 67,215,504
4. Step 4: Simplify right side
   30,715,080x = 4,517,923,977,974,016
5. Step 5: Solve for x
   x = 4,517,923,977,974,016/30,715,080
6. Step 6: Final answer
   x = 147,091,395.43