Finding the Third Proportional to 5,678,140,646.81 and 12,424,876,293.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678,140,646.81 : 12,424,876,293.38 = 12,424,876,293.38 : x
2. Step 2: Convert to fraction form
   5,678,140,646.81/12,424,876,293.38 = 12,424,876,293.38/x
3. Step 3: Cross multiply
   5,678,140,646.81x = 12,424,876,293.38 × 12,424,876,293.38
4. Step 4: Simplify right side
   5,678,140,646.81x = 154,377,550,905,672,073,216
5. Step 5: Solve for x
   x = 154,377,550,905,672,073,216/5,678,140,646.81
6. Step 6: Final answer
   x = 27,188,046,318.00