Finding the Third Proportional to 1,524,160 and 3,219,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524,160 : 3,219,392 = 3,219,392 : x
2. Step 2: Convert to fraction form
   1,524,160/3,219,392 = 3,219,392/x
3. Step 3: Cross multiply
   1,524,160x = 3,219,392 × 3,219,392
4. Step 4: Simplify right side
   1,524,160x = 10,364,484,849,664
5. Step 5: Solve for x
   x = 10,364,484,849,664/1,524,160
6. Step 6: Final answer
   x = 6,800,129.15