Finding the Third Proportional to 1,438,549.88 and 2,147,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,549.88 : 2,147,978.25 = 2,147,978.25 : x
2. Step 2: Convert to fraction form
   1,438,549.88/2,147,978.25 = 2,147,978.25/x
3. Step 3: Cross multiply
   1,438,549.88x = 2,147,978.25 × 2,147,978.25
4. Step 4: Simplify right side
   1,438,549.88x = 4,613,810,562,473.06
5. Step 5: Solve for x
   x = 4,613,810,562,473.06/1,438,549.88
6. Step 6: Final answer
   x = 3,207,264.93