Finding the Third Proportional to 67,064 and 145,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,064 : 145,017.50 = 145,017.50 : x
2. Step 2: Convert to fraction form
   67,064/145,017.50 = 145,017.50/x
3. Step 3: Cross multiply
   67,064x = 145,017.50 × 145,017.50
4. Step 4: Simplify right side
   67,064x = 21,030,075,306.25
5. Step 5: Solve for x
   x = 21,030,075,306.25/67,064
6. Step 6: Final answer
   x = 313,582.18