Finding the Third Proportional to 376,521 and 573,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   376,521 : 573,610.50 = 573,610.50 : x
2. Step 2: Convert to fraction form
   376,521/573,610.50 = 573,610.50/x
3. Step 3: Cross multiply
   376,521x = 573,610.50 × 573,610.50
4. Step 4: Simplify right side
   376,521x = 329,029,005,710.25
5. Step 5: Solve for x
   x = 329,029,005,710.25/376,521
6. Step 6: Final answer
   x = 873,866.28