Finding the Third Proportional to 245,837 and 371,003

Step by Step Solution

1. Step 1: Write the proportion equation
   245,837 : 371,003 = 371,003 : x
2. Step 2: Convert to fraction form
   245,837/371,003 = 371,003/x
3. Step 3: Cross multiply
   245,837x = 371,003 × 371,003
4. Step 4: Simplify right side
   245,837x = 137,643,226,009
5. Step 5: Solve for x
   x = 137,643,226,009/245,837
6. Step 6: Final answer
   x = 559,896.30