Finding the Third Proportional to 1,050,228 and 2,138,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,228 : 2,138,978.25 = 2,138,978.25 : x
2. Step 2: Convert to fraction form
   1,050,228/2,138,978.25 = 2,138,978.25/x
3. Step 3: Cross multiply
   1,050,228x = 2,138,978.25 × 2,138,978.25
4. Step 4: Simplify right side
   1,050,228x = 4,575,227,953,973.06
5. Step 5: Solve for x
   x = 4,575,227,953,973.06/1,050,228
6. Step 6: Final answer
   x = 4,356,413.99