Finding the Third Proportional to 401,436 and 544,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,436 : 544,927.50 = 544,927.50 : x
2. Step 2: Convert to fraction form
   401,436/544,927.50 = 544,927.50/x
3. Step 3: Cross multiply
   401,436x = 544,927.50 × 544,927.50
4. Step 4: Simplify right side
   401,436x = 296,945,980,256.25
5. Step 5: Solve for x
   x = 296,945,980,256.25/401,436
6. Step 6: Final answer
   x = 739,709.39