Finding the Third Proportional to 2,574,857,272 and 5,561,345,042

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,857,272 : 5,561,345,042 = 5,561,345,042 : x
2. Step 2: Convert to fraction form
   2,574,857,272/5,561,345,042 = 5,561,345,042/x
3. Step 3: Cross multiply
   2,574,857,272x = 5,561,345,042 × 5,561,345,042
4. Step 4: Simplify right side
   2,574,857,272x = 30,928,558,676,177,981,440
5. Step 5: Solve for x
   x = 30,928,558,676,177,981,440/2,574,857,272
6. Step 6: Final answer
   x = 12,011,756,539.87