Finding the Third Proportional to 5,090,994,858 and 7,854,405,300

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,994,858 : 7,854,405,300 = 7,854,405,300 : x
2. Step 2: Convert to fraction form
   5,090,994,858/7,854,405,300 = 7,854,405,300/x
3. Step 3: Cross multiply
   5,090,994,858x = 7,854,405,300 × 7,854,405,300
4. Step 4: Simplify right side
   5,090,994,858x = 61,691,682,616,668,086,272
5. Step 5: Solve for x
   x = 61,691,682,616,668,086,272/5,090,994,858
6. Step 6: Final answer
   x = 12,117,804,935.46