Finding the Third Proportional to 590,872.50 and 860,469

Step by Step Solution

1. Step 1: Write the proportion equation
   590,872.50 : 860,469 = 860,469 : x
2. Step 2: Convert to fraction form
   590,872.50/860,469 = 860,469/x
3. Step 3: Cross multiply
   590,872.50x = 860,469 × 860,469
4. Step 4: Simplify right side
   590,872.50x = 740,406,899,961
5. Step 5: Solve for x
   x = 740,406,899,961/590,872.50
6. Step 6: Final answer
   x = 1,253,073.89