Finding the Third Proportional to 5,274,400 and 10,828,412

Step by Step Solution

1. Step 1: Write the proportion equation
   5,274,400 : 10,828,412 = 10,828,412 : x
2. Step 2: Convert to fraction form
   5,274,400/10,828,412 = 10,828,412/x
3. Step 3: Cross multiply
   5,274,400x = 10,828,412 × 10,828,412
4. Step 4: Simplify right side
   5,274,400x = 117,254,506,441,744
5. Step 5: Solve for x
   x = 117,254,506,441,744/5,274,400
6. Step 6: Final answer
   x = 22,230,871.08