Finding the Third Proportional to 2,672,136 and 5,722,623

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672,136 : 5,722,623 = 5,722,623 : x
2. Step 2: Convert to fraction form
   2,672,136/5,722,623 = 5,722,623/x
3. Step 3: Cross multiply
   2,672,136x = 5,722,623 × 5,722,623
4. Step 4: Simplify right side
   2,672,136x = 32,748,414,000,129
5. Step 5: Solve for x
   x = 32,748,414,000,129/2,672,136
6. Step 6: Final answer
   x = 12,255,519.18