Finding the Third Proportional to 48,858.19 and 74,866.78

Step by Step Solution

1. Step 1: Write the proportion equation
   48,858.19 : 74,866.78 = 74,866.78 : x
2. Step 2: Convert to fraction form
   48,858.19/74,866.78 = 74,866.78/x
3. Step 3: Cross multiply
   48,858.19x = 74,866.78 × 74,866.78
4. Step 4: Simplify right side
   48,858.19x = 5,605,034,934.74
5. Step 5: Solve for x
   x = 5,605,034,934.74/48,858.19
6. Step 6: Final answer
   x = 114,720.48