Finding the Third Proportional to 181,308 and 388,840

Step by Step Solution

1. Step 1: Write the proportion equation
   181,308 : 388,840 = 388,840 : x
2. Step 2: Convert to fraction form
   181,308/388,840 = 388,840/x
3. Step 3: Cross multiply
   181,308x = 388,840 × 388,840
4. Step 4: Simplify right side
   181,308x = 151,196,545,600
5. Step 5: Solve for x
   x = 151,196,545,600/181,308
6. Step 6: Final answer
   x = 833,920.98