Finding the Third Proportional to 10,665,072 and 17,174,280

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665,072 : 17,174,280 = 17,174,280 : x
2. Step 2: Convert to fraction form
   10,665,072/17,174,280 = 17,174,280/x
3. Step 3: Cross multiply
   10,665,072x = 17,174,280 × 17,174,280
4. Step 4: Simplify right side
   10,665,072x = 294,955,893,518,400
5. Step 5: Solve for x
   x = 294,955,893,518,400/10,665,072
6. Step 6: Final answer
   x = 27,656,249.63