Finding the Third Proportional to 8,737,810 and 13,676,967

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,810 : 13,676,967 = 13,676,967 : x
2. Step 2: Convert to fraction form
   8,737,810/13,676,967 = 13,676,967/x
3. Step 3: Cross multiply
   8,737,810x = 13,676,967 × 13,676,967
4. Step 4: Simplify right side
   8,737,810x = 187,059,426,319,089
5. Step 5: Solve for x
   x = 187,059,426,319,089/8,737,810
6. Step 6: Final answer
   x = 21,408,044.62