Finding the Third Proportional to 605,706 and 886,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,706 : 886,525.50 = 886,525.50 : x
2. Step 2: Convert to fraction form
   605,706/886,525.50 = 886,525.50/x
3. Step 3: Cross multiply
   605,706x = 886,525.50 × 886,525.50
4. Step 4: Simplify right side
   605,706x = 785,927,462,150.25
5. Step 5: Solve for x
   x = 785,927,462,150.25/605,706
6. Step 6: Final answer
   x = 1,297,539.50