Finding the Third Proportional to 55,479 and 84,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,479 : 84,136.50 = 84,136.50 : x
2. Step 2: Convert to fraction form
   55,479/84,136.50 = 84,136.50/x
3. Step 3: Cross multiply
   55,479x = 84,136.50 × 84,136.50
4. Step 4: Simplify right side
   55,479x = 7,078,950,632.25
5. Step 5: Solve for x
   x = 7,078,950,632.25/55,479
6. Step 6: Final answer
   x = 127,596.94