Finding the Third Proportional to 1,200,360 and 1,813,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,360 : 1,813,392 = 1,813,392 : x
2. Step 2: Convert to fraction form
   1,200,360/1,813,392 = 1,813,392/x
3. Step 3: Cross multiply
   1,200,360x = 1,813,392 × 1,813,392
4. Step 4: Simplify right side
   1,200,360x = 3,288,390,545,664
5. Step 5: Solve for x
   x = 3,288,390,545,664/1,200,360
6. Step 6: Final answer
   x = 2,739,503.60