Finding the Third Proportional to 2,106,020 and 4,548,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,020 : 4,548,272 = 4,548,272 : x
2. Step 2: Convert to fraction form
   2,106,020/4,548,272 = 4,548,272/x
3. Step 3: Cross multiply
   2,106,020x = 4,548,272 × 4,548,272
4. Step 4: Simplify right side
   2,106,020x = 20,686,778,185,984
5. Step 5: Solve for x
   x = 20,686,778,185,984/2,106,020
6. Step 6: Final answer
   x = 9,822,688.38