Finding the Third Proportional to 1,387,908 and 2,081,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,908 : 2,081,880 = 2,081,880 : x
2. Step 2: Convert to fraction form
   1,387,908/2,081,880 = 2,081,880/x
3. Step 3: Cross multiply
   1,387,908x = 2,081,880 × 2,081,880
4. Step 4: Simplify right side
   1,387,908x = 4,334,224,334,400
5. Step 5: Solve for x
   x = 4,334,224,334,400/1,387,908
6. Step 6: Final answer
   x = 3,122,847.00