Finding the Third Proportional to 294,642 and 441,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   294,642 : 441,472.50 = 441,472.50 : x
2. Step 2: Convert to fraction form
   294,642/441,472.50 = 441,472.50/x
3. Step 3: Cross multiply
   294,642x = 441,472.50 × 441,472.50
4. Step 4: Simplify right side
   294,642x = 194,897,968,256.25
5. Step 5: Solve for x
   x = 194,897,968,256.25/294,642
6. Step 6: Final answer
   x = 661,473.82