Finding the Third Proportional to 11,173,918.50 and 17,085,769

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173,918.50 : 17,085,769 = 17,085,769 : x
2. Step 2: Convert to fraction form
   11,173,918.50/17,085,769 = 17,085,769/x
3. Step 3: Cross multiply
   11,173,918.50x = 17,085,769 × 17,085,769
4. Step 4: Simplify right side
   11,173,918.50x = 291,923,502,321,361
5. Step 5: Solve for x
   x = 291,923,502,321,361/11,173,918.50
6. Step 6: Final answer
   x = 26,125,436.87