Finding the Third Proportional to 13,011,128 and 17,388,012

Step by Step Solution

1. Step 1: Write the proportion equation
   13,011,128 : 17,388,012 = 17,388,012 : x
2. Step 2: Convert to fraction form
   13,011,128/17,388,012 = 17,388,012/x
3. Step 3: Cross multiply
   13,011,128x = 17,388,012 × 17,388,012
4. Step 4: Simplify right side
   13,011,128x = 302,342,961,312,144
5. Step 5: Solve for x
   x = 302,342,961,312,144/13,011,128
6. Step 6: Final answer
   x = 23,237,259.78