Finding the Third Proportional to 8,583,940 and 12,876,934

Step by Step Solution

1. Step 1: Write the proportion equation
   8,583,940 : 12,876,934 = 12,876,934 : x
2. Step 2: Convert to fraction form
   8,583,940/12,876,934 = 12,876,934/x
3. Step 3: Cross multiply
   8,583,940x = 12,876,934 × 12,876,934
4. Step 4: Simplify right side
   8,583,940x = 165,815,429,240,356
5. Step 5: Solve for x
   x = 165,815,429,240,356/8,583,940
6. Step 6: Final answer
   x = 19,316,937.12