Finding the Third Proportional to 9,637,408 and 12,848,136

Step by Step Solution

1. Step 1: Write the proportion equation
   9,637,408 : 12,848,136 = 12,848,136 : x
2. Step 2: Convert to fraction form
   9,637,408/12,848,136 = 12,848,136/x
3. Step 3: Cross multiply
   9,637,408x = 12,848,136 × 12,848,136
4. Step 4: Simplify right side
   9,637,408x = 165,074,598,674,496
5. Step 5: Solve for x
   x = 165,074,598,674,496/9,637,408
6. Step 6: Final answer
   x = 17,128,526.54