Finding the Third Proportional to 3,685,912 and 5,500,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,912 : 5,500,440 = 5,500,440 : x
2. Step 2: Convert to fraction form
   3,685,912/5,500,440 = 5,500,440/x
3. Step 3: Cross multiply
   3,685,912x = 5,500,440 × 5,500,440
4. Step 4: Simplify right side
   3,685,912x = 30,254,840,193,600
5. Step 5: Solve for x
   x = 30,254,840,193,600/3,685,912
6. Step 6: Final answer
   x = 8,208,237.25