Finding the Third Proportional to 538,908 and 749,300

Step by Step Solution

1. Step 1: Write the proportion equation
   538,908 : 749,300 = 749,300 : x
2. Step 2: Convert to fraction form
   538,908/749,300 = 749,300/x
3. Step 3: Cross multiply
   538,908x = 749,300 × 749,300
4. Step 4: Simplify right side
   538,908x = 561,450,490,000
5. Step 5: Solve for x
   x = 561,450,490,000/538,908
6. Step 6: Final answer
   x = 1,041,829.94