Finding the Third Proportional to 169,136 and 253,300

Step by Step Solution

1. Step 1: Write the proportion equation
   169,136 : 253,300 = 253,300 : x
2. Step 2: Convert to fraction form
   169,136/253,300 = 253,300/x
3. Step 3: Cross multiply
   169,136x = 253,300 × 253,300
4. Step 4: Simplify right side
   169,136x = 64,160,890,000
5. Step 5: Solve for x
   x = 64,160,890,000/169,136
6. Step 6: Final answer
   x = 379,344.96