Finding the Third Proportional to 376,743 and 528,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   376,743 : 528,004.50 = 528,004.50 : x
2. Step 2: Convert to fraction form
   376,743/528,004.50 = 528,004.50/x
3. Step 3: Cross multiply
   376,743x = 528,004.50 × 528,004.50
4. Step 4: Simplify right side
   376,743x = 278,788,752,020.25
5. Step 5: Solve for x
   x = 278,788,752,020.25/376,743
6. Step 6: Final answer
   x = 739,997.17