Finding the Third Proportional to 245,855.75 and 371,045

Step by Step Solution

1. Step 1: Write the proportion equation
   245,855.75 : 371,045 = 371,045 : x
2. Step 2: Convert to fraction form
   245,855.75/371,045 = 371,045/x
3. Step 3: Cross multiply
   245,855.75x = 371,045 × 371,045
4. Step 4: Simplify right side
   245,855.75x = 137,674,392,025
5. Step 5: Solve for x
   x = 137,674,392,025/245,855.75
6. Step 6: Final answer
   x = 559,980.36