Finding the Third Proportional to 422,366.06 and 874,672.31

Step by Step Solution

1. Step 1: Write the proportion equation
   422,366.06 : 874,672.31 = 874,672.31 : x
2. Step 2: Convert to fraction form
   422,366.06/874,672.31 = 874,672.31/x
3. Step 3: Cross multiply
   422,366.06x = 874,672.31 × 874,672.31
4. Step 4: Simplify right side
   422,366.06x = 765,051,654,254.10
5. Step 5: Solve for x
   x = 765,051,654,254.10/422,366.06
6. Step 6: Final answer
   x = 1,811,347.36