Finding the Third Proportional to 3,558,456,145 and 7,411,443,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,456,145 : 7,411,443,540.50 = 7,411,443,540.50 : x
2. Step 2: Convert to fraction form
   3,558,456,145/7,411,443,540.50 = 7,411,443,540.50/x
3. Step 3: Cross multiply
   3,558,456,145x = 7,411,443,540.50 × 7,411,443,540.50
4. Step 4: Simplify right side
   3,558,456,145x = 54,929,495,354,019,176,448
5. Step 5: Solve for x
   x = 54,929,495,354,019,176,448/3,558,456,145
6. Step 6: Final answer
   x = 15,436,327,754.44