Finding the Third Proportional to 3,932,742,179 and 8,426,436,325

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932,742,179 : 8,426,436,325 = 8,426,436,325 : x
2. Step 2: Convert to fraction form
   3,932,742,179/8,426,436,325 = 8,426,436,325/x
3. Step 3: Cross multiply
   3,932,742,179x = 8,426,436,325 × 8,426,436,325
4. Step 4: Simplify right side
   3,932,742,179x = 71,004,829,139,279,503,360
5. Step 5: Solve for x
   x = 71,004,829,139,279,503,360/3,932,742,179
6. Step 6: Final answer
   x = 18,054,788,721.83