Finding the Third Proportional to 2,066,851.69 and 3,213,454.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066,851.69 : 3,213,454.78 = 3,213,454.78 : x
2. Step 2: Convert to fraction form
   2,066,851.69/3,213,454.78 = 3,213,454.78/x
3. Step 3: Cross multiply
   2,066,851.69x = 3,213,454.78 × 3,213,454.78
4. Step 4: Simplify right side
   2,066,851.69x = 10,326,291,631,138.48
5. Step 5: Solve for x
   x = 10,326,291,631,138.48/2,066,851.69
6. Step 6: Final answer
   x = 4,996,145.44