Finding the Third Proportional to 401,477.50 and 546,839

Step by Step Solution

1. Step 1: Write the proportion equation
   401,477.50 : 546,839 = 546,839 : x
2. Step 2: Convert to fraction form
   401,477.50/546,839 = 546,839/x
3. Step 3: Cross multiply
   401,477.50x = 546,839 × 546,839
4. Step 4: Simplify right side
   401,477.50x = 299,032,891,921
5. Step 5: Solve for x
   x = 299,032,891,921/401,477.50
6. Step 6: Final answer
   x = 744,831.01