Finding the Third Proportional to 262,072.50 and 573,219

Step by Step Solution

1. Step 1: Write the proportion equation
   262,072.50 : 573,219 = 573,219 : x
2. Step 2: Convert to fraction form
   262,072.50/573,219 = 573,219/x
3. Step 3: Cross multiply
   262,072.50x = 573,219 × 573,219
4. Step 4: Simplify right side
   262,072.50x = 328,580,021,961
5. Step 5: Solve for x
   x = 328,580,021,961/262,072.50
6. Step 6: Final answer
   x = 1,253,775.28