Finding the Third Proportional to 11,902,562 and 17,807,715

Step by Step Solution

1. Step 1: Write the proportion equation
   11,902,562 : 17,807,715 = 17,807,715 : x
2. Step 2: Convert to fraction form
   11,902,562/17,807,715 = 17,807,715/x
3. Step 3: Cross multiply
   11,902,562x = 17,807,715 × 17,807,715
4. Step 4: Simplify right side
   11,902,562x = 317,114,713,521,225
5. Step 5: Solve for x
   x = 317,114,713,521,225/11,902,562
6. Step 6: Final answer
   x = 26,642,559.27