Finding the Third Proportional to 525,474 and 748,838.25

Step by Step Solution

1. Step 1: Write the proportion equation
   525,474 : 748,838.25 = 748,838.25 : x
2. Step 2: Convert to fraction form
   525,474/748,838.25 = 748,838.25/x
3. Step 3: Cross multiply
   525,474x = 748,838.25 × 748,838.25
4. Step 4: Simplify right side
   525,474x = 560,758,724,663.06
5. Step 5: Solve for x
   x = 560,758,724,663.06/525,474
6. Step 6: Final answer
   x = 1,067,148.37