Finding the Third Proportional to 199,485 and 299,224.13

Step by Step Solution

1. Step 1: Write the proportion equation
   199,485 : 299,224.13 = 299,224.13 : x
2. Step 2: Convert to fraction form
   199,485/299,224.13 = 299,224.13/x
3. Step 3: Cross multiply
   199,485x = 299,224.13 × 299,224.13
4. Step 4: Simplify right side
   199,485x = 89,535,076,982.02
5. Step 5: Solve for x
   x = 89,535,076,982.02/199,485
6. Step 6: Final answer
   x = 448,831.13