Finding the Third Proportional to 1,548,416 and 3,334,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548,416 : 3,334,128 = 3,334,128 : x
2. Step 2: Convert to fraction form
   1,548,416/3,334,128 = 3,334,128/x
3. Step 3: Cross multiply
   1,548,416x = 3,334,128 × 3,334,128
4. Step 4: Simplify right side
   1,548,416x = 11,116,409,520,384
5. Step 5: Solve for x
   x = 11,116,409,520,384/1,548,416
6. Step 6: Final answer
   x = 7,179,213.80