Finding the Third Proportional to 153,586 and 240,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   153,586 : 240,411.25 = 240,411.25 : x
2. Step 2: Convert to fraction form
   153,586/240,411.25 = 240,411.25/x
3. Step 3: Cross multiply
   153,586x = 240,411.25 × 240,411.25
4. Step 4: Simplify right side
   153,586x = 57,797,569,126.56
5. Step 5: Solve for x
   x = 57,797,569,126.56/153,586
6. Step 6: Final answer
   x = 376,320.56