Finding the Third Proportional to 11,489,973 and 17,013,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,489,973 : 17,013,109.50 = 17,013,109.50 : x
2. Step 2: Convert to fraction form
   11,489,973/17,013,109.50 = 17,013,109.50/x
3. Step 3: Cross multiply
   11,489,973x = 17,013,109.50 × 17,013,109.50
4. Step 4: Simplify right side
   11,489,973x = 289,445,894,858,990.25
5. Step 5: Solve for x
   x = 289,445,894,858,990.25/11,489,973
6. Step 6: Final answer
   x = 25,191,172.76