Finding the Third Proportional to 8,434,046,866 and 12,340,606,047

Step by Step Solution

1. Step 1: Write the proportion equation
   8,434,046,866 : 12,340,606,047 = 12,340,606,047 : x
2. Step 2: Convert to fraction form
   8,434,046,866/12,340,606,047 = 12,340,606,047/x
3. Step 3: Cross multiply
   8,434,046,866x = 12,340,606,047 × 12,340,606,047
4. Step 4: Simplify right side
   8,434,046,866x = 152,290,557,607,252,951,040
5. Step 5: Solve for x
   x = 152,290,557,607,252,951,040/8,434,046,866
6. Step 6: Final answer
   x = 18,056,641,138.81