Finding the Third Proportional to 45,293.25 and 74,858.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,293.25 : 74,858.63 = 74,858.63 : x
2. Step 2: Convert to fraction form
   45,293.25/74,858.63 = 74,858.63/x
3. Step 3: Cross multiply
   45,293.25x = 74,858.63 × 74,858.63
4. Step 4: Simplify right side
   45,293.25x = 5,603,813,736.89
5. Step 5: Solve for x
   x = 5,603,813,736.89/45,293.25
6. Step 6: Final answer
   x = 123,722.93