Finding the Third Proportional to 1,636,907 and 3,571,165

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,907 : 3,571,165 = 3,571,165 : x
2. Step 2: Convert to fraction form
   1,636,907/3,571,165 = 3,571,165/x
3. Step 3: Cross multiply
   1,636,907x = 3,571,165 × 3,571,165
4. Step 4: Simplify right side
   1,636,907x = 12,753,219,457,225
5. Step 5: Solve for x
   x = 12,753,219,457,225/1,636,907
6. Step 6: Final answer
   x = 7,791,047.05