Finding the Third Proportional to 939,973.50 and 1,929,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   939,973.50 : 1,929,721.50 = 1,929,721.50 : x
2. Step 2: Convert to fraction form
   939,973.50/1,929,721.50 = 1,929,721.50/x
3. Step 3: Cross multiply
   939,973.50x = 1,929,721.50 × 1,929,721.50
4. Step 4: Simplify right side
   939,973.50x = 3,723,825,067,562.25
5. Step 5: Solve for x
   x = 3,723,825,067,562.25/939,973.50
6. Step 6: Final answer
   x = 3,961,627.71