Finding the Third Proportional to 2,129,433 and 3,190,869

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,433 : 3,190,869 = 3,190,869 : x
2. Step 2: Convert to fraction form
   2,129,433/3,190,869 = 3,190,869/x
3. Step 3: Cross multiply
   2,129,433x = 3,190,869 × 3,190,869
4. Step 4: Simplify right side
   2,129,433x = 10,181,644,975,161
5. Step 5: Solve for x
   x = 10,181,644,975,161/2,129,433
6. Step 6: Final answer
   x = 4,781,387.80