Finding the Third Proportional to 153,131.50 and 245,841

Step by Step Solution

1. Step 1: Write the proportion equation
   153,131.50 : 245,841 = 245,841 : x
2. Step 2: Convert to fraction form
   153,131.50/245,841 = 245,841/x
3. Step 3: Cross multiply
   153,131.50x = 245,841 × 245,841
4. Step 4: Simplify right side
   153,131.50x = 60,437,797,281
5. Step 5: Solve for x
   x = 60,437,797,281/153,131.50
6. Step 6: Final answer
   x = 394,679.07