Finding the Third Proportional to 516,525 and 789,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,525 : 789,586.50 = 789,586.50 : x
2. Step 2: Convert to fraction form
   516,525/789,586.50 = 789,586.50/x
3. Step 3: Cross multiply
   516,525x = 789,586.50 × 789,586.50
4. Step 4: Simplify right side
   516,525x = 623,446,840,982.25
5. Step 5: Solve for x
   x = 623,446,840,982.25/516,525
6. Step 6: Final answer
   x = 1,207,002.26