Finding the Third Proportional to 8,583,942 and 12,876,937

Step by Step Solution

1. Step 1: Write the proportion equation
   8,583,942 : 12,876,937 = 12,876,937 : x
2. Step 2: Convert to fraction form
   8,583,942/12,876,937 = 12,876,937/x
3. Step 3: Cross multiply
   8,583,942x = 12,876,937 × 12,876,937
4. Step 4: Simplify right side
   8,583,942x = 165,815,506,501,969
5. Step 5: Solve for x
   x = 165,815,506,501,969/8,583,942
6. Step 6: Final answer
   x = 19,316,941.62