Finding the Third Proportional to 134,136 and 279,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   134,136 : 279,200.25 = 279,200.25 : x
2. Step 2: Convert to fraction form
   134,136/279,200.25 = 279,200.25/x
3. Step 3: Cross multiply
   134,136x = 279,200.25 × 279,200.25
4. Step 4: Simplify right side
   134,136x = 77,952,779,600.06
5. Step 5: Solve for x
   x = 77,952,779,600.06/134,136
6. Step 6: Final answer
   x = 581,147.34