Finding the Third Proportional to 843,210 and 1,107,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   843,210 : 1,107,067.50 = 1,107,067.50 : x
2. Step 2: Convert to fraction form
   843,210/1,107,067.50 = 1,107,067.50/x
3. Step 3: Cross multiply
   843,210x = 1,107,067.50 × 1,107,067.50
4. Step 4: Simplify right side
   843,210x = 1,225,598,449,556.25
5. Step 5: Solve for x
   x = 1,225,598,449,556.25/843,210
6. Step 6: Final answer
   x = 1,453,491.36