Finding the Third Proportional to 170,422.88 and 370,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   170,422.88 : 370,772.72 = 370,772.72 : x
2. Step 2: Convert to fraction form
   170,422.88/370,772.72 = 370,772.72/x
3. Step 3: Cross multiply
   170,422.88x = 370,772.72 × 370,772.72
4. Step 4: Simplify right side
   170,422.88x = 137,472,408,969.27
5. Step 5: Solve for x
   x = 137,472,408,969.27/170,422.88
6. Step 6: Final answer
   x = 806,654.68