Finding the Third Proportional to 3,558,456,157 and 7,411,443,554

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,456,157 : 7,411,443,554 = 7,411,443,554 : x
2. Step 2: Convert to fraction form
   3,558,456,157/7,411,443,554 = 7,411,443,554/x
3. Step 3: Cross multiply
   3,558,456,157x = 7,411,443,554 × 7,411,443,554
4. Step 4: Simplify right side
   3,558,456,157x = 54,929,495,554,128,150,528
5. Step 5: Solve for x
   x = 54,929,495,554,128,150,528/3,558,456,157
6. Step 6: Final answer
   x = 15,436,327,758.62