Finding the Third Proportional to 42,147,658,739.25 and 91,012,923,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147,658,739.25 : 91,012,923,317.25 = 91,012,923,317.25 : x
2. Step 2: Convert to fraction form
   42,147,658,739.25/91,012,923,317.25 = 91,012,923,317.25/x
3. Step 3: Cross multiply
   42,147,658,739.25x = 91,012,923,317.25 × 91,012,923,317.25
4. Step 4: Simplify right side
   42,147,658,739.25x = 8,283,352,210,751,264,653,312
5. Step 5: Solve for x
   x = 8,283,352,210,751,264,653,312/42,147,658,739.25
6. Step 6: Final answer
   x = 196,531,728,179.67