Finding the Third Proportional to 270,390 and 625,935.75

Step by Step Solution

1. Step 1: Write the proportion equation
   270,390 : 625,935.75 = 625,935.75 : x
2. Step 2: Convert to fraction form
   270,390/625,935.75 = 625,935.75/x
3. Step 3: Cross multiply
   270,390x = 625,935.75 × 625,935.75
4. Step 4: Simplify right side
   270,390x = 391,795,563,128.06
5. Step 5: Solve for x
   x = 391,795,563,128.06/270,390
6. Step 6: Final answer
   x = 1,449,001.68