Finding the Third Proportional to 245,817 and 351,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,817 : 351,013.50 = 351,013.50 : x
2. Step 2: Convert to fraction form
   245,817/351,013.50 = 351,013.50/x
3. Step 3: Cross multiply
   245,817x = 351,013.50 × 351,013.50
4. Step 4: Simplify right side
   245,817x = 123,210,477,182.25
5. Step 5: Solve for x
   x = 123,210,477,182.25/245,817
6. Step 6: Final answer
   x = 501,228.46