Finding the Third Proportional to 292,141.50 and 441,372

Step by Step Solution

1. Step 1: Write the proportion equation
   292,141.50 : 441,372 = 441,372 : x
2. Step 2: Convert to fraction form
   292,141.50/441,372 = 441,372/x
3. Step 3: Cross multiply
   292,141.50x = 441,372 × 441,372
4. Step 4: Simplify right side
   292,141.50x = 194,809,242,384
5. Step 5: Solve for x
   x = 194,809,242,384/292,141.50
6. Step 6: Final answer
   x = 666,831.80