Finding the Third Proportional to 2,619,861,450 and 5,681,760,042

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,861,450 : 5,681,760,042 = 5,681,760,042 : x
2. Step 2: Convert to fraction form
   2,619,861,450/5,681,760,042 = 5,681,760,042/x
3. Step 3: Cross multiply
   2,619,861,450x = 5,681,760,042 × 5,681,760,042
4. Step 4: Simplify right side
   2,619,861,450x = 32,282,397,174,867,841,024
5. Step 5: Solve for x
   x = 32,282,397,174,867,841,024/2,619,861,450
6. Step 6: Final answer
   x = 12,322,177,256.69