Finding the Third Proportional to 1,438,909.31 and 2,078,804.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,909.31 : 2,078,804.25 = 2,078,804.25 : x
2. Step 2: Convert to fraction form
   1,438,909.31/2,078,804.25 = 2,078,804.25/x
3. Step 3: Cross multiply
   1,438,909.31x = 2,078,804.25 × 2,078,804.25
4. Step 4: Simplify right side
   1,438,909.31x = 4,321,427,109,818.06
5. Step 5: Solve for x
   x = 4,321,427,109,818.06/1,438,909.31
6. Step 6: Final answer
   x = 3,003,265.79