Finding the Third Proportional to 240,261 and 364,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,261 : 364,606.50 = 364,606.50 : x
2. Step 2: Convert to fraction form
   240,261/364,606.50 = 364,606.50/x
3. Step 3: Cross multiply
   240,261x = 364,606.50 × 364,606.50
4. Step 4: Simplify right side
   240,261x = 132,937,899,842.25
5. Step 5: Solve for x
   x = 132,937,899,842.25/240,261
6. Step 6: Final answer
   x = 553,306.20