Finding the Third Proportional to 1,415,360 and 2,081,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415,360 : 2,081,280 = 2,081,280 : x
2. Step 2: Convert to fraction form
   1,415,360/2,081,280 = 2,081,280/x
3. Step 3: Cross multiply
   1,415,360x = 2,081,280 × 2,081,280
4. Step 4: Simplify right side
   1,415,360x = 4,331,726,438,400
5. Step 5: Solve for x
   x = 4,331,726,438,400/1,415,360
6. Step 6: Final answer
   x = 3,060,512.12