Finding the Third Proportional to 10,955,916 and 17,031,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955,916 : 17,031,916.50 = 17,031,916.50 : x
2. Step 2: Convert to fraction form
   10,955,916/17,031,916.50 = 17,031,916.50/x
3. Step 3: Cross multiply
   10,955,916x = 17,031,916.50 × 17,031,916.50
4. Step 4: Simplify right side
   10,955,916x = 290,086,179,662,972.25
5. Step 5: Solve for x
   x = 290,086,179,662,972.25/10,955,916
6. Step 6: Final answer
   x = 26,477,583.40