Finding the Third Proportional to 405,525,218,623 and 844,423,468,915

Step by Step Solution

1. Step 1: Write the proportion equation
   405,525,218,623 : 844,423,468,915 = 844,423,468,915 : x
2. Step 2: Convert to fraction form
   405,525,218,623/844,423,468,915 = 844,423,468,915/x
3. Step 3: Cross multiply
   405,525,218,623x = 844,423,468,915 × 844,423,468,915
4. Step 4: Simplify right side
   405,525,218,623x = 713,050,994,854,442,003,595,264
5. Step 5: Solve for x
   x = 713,050,994,854,442,003,595,264/405,525,218,623
6. Step 6: Final answer
   x = 1,758,339,462,279.75