Finding the Third Proportional to 1,314,642 and 1,980,615

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,642 : 1,980,615 = 1,980,615 : x
2. Step 2: Convert to fraction form
   1,314,642/1,980,615 = 1,980,615/x
3. Step 3: Cross multiply
   1,314,642x = 1,980,615 × 1,980,615
4. Step 4: Simplify right side
   1,314,642x = 3,922,835,778,225
5. Step 5: Solve for x
   x = 3,922,835,778,225/1,314,642
6. Step 6: Final answer
   x = 2,983,957.44