Finding the Third Proportional to 856,345.50 and 1,204,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   856,345.50 : 1,204,858.50 = 1,204,858.50 : x
2. Step 2: Convert to fraction form
   856,345.50/1,204,858.50 = 1,204,858.50/x
3. Step 3: Cross multiply
   856,345.50x = 1,204,858.50 × 1,204,858.50
4. Step 4: Simplify right side
   856,345.50x = 1,451,684,005,022.25
5. Step 5: Solve for x
   x = 1,451,684,005,022.25/856,345.50
6. Step 6: Final answer
   x = 1,695,208.31