Finding the Third Proportional to 3,558,456,159 and 7,411,443,558

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,456,159 : 7,411,443,558 = 7,411,443,558 : x
2. Step 2: Convert to fraction form
   3,558,456,159/7,411,443,558 = 7,411,443,558/x
3. Step 3: Cross multiply
   3,558,456,159x = 7,411,443,558 × 7,411,443,558
4. Step 4: Simplify right side
   3,558,456,159x = 54,929,495,613,419,700,224
5. Step 5: Solve for x
   x = 54,929,495,613,419,700,224/3,558,456,159
6. Step 6: Final answer
   x = 15,436,327,766.61