Finding the Third Proportional to 245,855.25 and 371,043

Step by Step Solution

1. Step 1: Write the proportion equation
   245,855.25 : 371,043 = 371,043 : x
2. Step 2: Convert to fraction form
   245,855.25/371,043 = 371,043/x
3. Step 3: Cross multiply
   245,855.25x = 371,043 × 371,043
4. Step 4: Simplify right side
   245,855.25x = 137,672,907,849
5. Step 5: Solve for x
   x = 137,672,907,849/245,855.25
6. Step 6: Final answer
   x = 559,975.46