Finding the Third Proportional to 3,615,443,472.94 and 7,834,221,880.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615,443,472.94 : 7,834,221,880.31 = 7,834,221,880.31 : x
2. Step 2: Convert to fraction form
   3,615,443,472.94/7,834,221,880.31 = 7,834,221,880.31/x
3. Step 3: Cross multiply
   3,615,443,472.94x = 7,834,221,880.31 × 7,834,221,880.31
4. Step 4: Simplify right side
   3,615,443,472.94x = 61,375,032,469,967,126,528
5. Step 5: Solve for x
   x = 61,375,032,469,967,126,528/3,615,443,472.94
6. Step 6: Final answer
   x = 16,975,796,449.14