Finding the Third Proportional to 877,938 and 1,923,643

Step by Step Solution

1. Step 1: Write the proportion equation
   877,938 : 1,923,643 = 1,923,643 : x
2. Step 2: Convert to fraction form
   877,938/1,923,643 = 1,923,643/x
3. Step 3: Cross multiply
   877,938x = 1,923,643 × 1,923,643
4. Step 4: Simplify right side
   877,938x = 3,700,402,391,449
5. Step 5: Solve for x
   x = 3,700,402,391,449/877,938
6. Step 6: Final answer
   x = 4,214,878.95