Finding the Third Proportional to 10,902,988.50 and 17,105,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902,988.50 : 17,105,959.50 = 17,105,959.50 : x
2. Step 2: Convert to fraction form
   10,902,988.50/17,105,959.50 = 17,105,959.50/x
3. Step 3: Cross multiply
   10,902,988.50x = 17,105,959.50 × 17,105,959.50
4. Step 4: Simplify right side
   10,902,988.50x = 292,613,850,415,640.25
5. Step 5: Solve for x
   x = 292,613,850,415,640.25/10,902,988.50
6. Step 6: Final answer
   x = 26,837,949.10