Finding the Third Proportional to 3,554,292 and 7,816,920

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554,292 : 7,816,920 = 7,816,920 : x
2. Step 2: Convert to fraction form
   3,554,292/7,816,920 = 7,816,920/x
3. Step 3: Cross multiply
   3,554,292x = 7,816,920 × 7,816,920
4. Step 4: Simplify right side
   3,554,292x = 61,104,238,286,400
5. Step 5: Solve for x
   x = 61,104,238,286,400/3,554,292
6. Step 6: Final answer
   x = 17,191,676.51