Finding the Third Proportional to 4,138,992,115.50 and 9,079,302,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,138,992,115.50 : 9,079,302,019.50 = 9,079,302,019.50 : x
2. Step 2: Convert to fraction form
   4,138,992,115.50/9,079,302,019.50 = 9,079,302,019.50/x
3. Step 3: Cross multiply
   4,138,992,115.50x = 9,079,302,019.50 × 9,079,302,019.50
4. Step 4: Simplify right side
   4,138,992,115.50x = 82,433,725,161,296,773,120
5. Step 5: Solve for x
   x = 82,433,725,161,296,773,120/4,138,992,115.50
6. Step 6: Final answer
   x = 19,916,376,465.81