Finding the Third Proportional to 11,137,548 and 17,722,170

Step by Step Solution

1. Step 1: Write the proportion equation
   11,137,548 : 17,722,170 = 17,722,170 : x
2. Step 2: Convert to fraction form
   11,137,548/17,722,170 = 17,722,170/x
3. Step 3: Cross multiply
   11,137,548x = 17,722,170 × 17,722,170
4. Step 4: Simplify right side
   11,137,548x = 314,075,309,508,900
5. Step 5: Solve for x
   x = 314,075,309,508,900/11,137,548
6. Step 6: Final answer
   x = 28,199,681.79