Finding the Third Proportional to 1,577,823 and 3,407,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,823 : 3,407,970 = 3,407,970 : x
2. Step 2: Convert to fraction form
   1,577,823/3,407,970 = 3,407,970/x
3. Step 3: Cross multiply
   1,577,823x = 3,407,970 × 3,407,970
4. Step 4: Simplify right side
   1,577,823x = 11,614,259,520,900
5. Step 5: Solve for x
   x = 11,614,259,520,900/1,577,823
6. Step 6: Final answer
   x = 7,360,939.42