Finding the Third Proportional to 551,367 and 748,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   551,367 : 748,291.50 = 748,291.50 : x
2. Step 2: Convert to fraction form
   551,367/748,291.50 = 748,291.50/x
3. Step 3: Cross multiply
   551,367x = 748,291.50 × 748,291.50
4. Step 4: Simplify right side
   551,367x = 559,940,168,972.25
5. Step 5: Solve for x
   x = 559,940,168,972.25/551,367
6. Step 6: Final answer
   x = 1,015,548.93