Finding the Third Proportional to 7,979,038 and 12,636,550

Step by Step Solution

1. Step 1: Write the proportion equation
   7,979,038 : 12,636,550 = 12,636,550 : x
2. Step 2: Convert to fraction form
   7,979,038/12,636,550 = 12,636,550/x
3. Step 3: Cross multiply
   7,979,038x = 12,636,550 × 12,636,550
4. Step 4: Simplify right side
   7,979,038x = 159,682,395,902,500
5. Step 5: Solve for x
   x = 159,682,395,902,500/7,979,038
6. Step 6: Final answer
   x = 20,012,737.86