Finding the Third Proportional to 45,801.50 and 72,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,801.50 : 72,858.50 = 72,858.50 : x
2. Step 2: Convert to fraction form
   45,801.50/72,858.50 = 72,858.50/x
3. Step 3: Cross multiply
   45,801.50x = 72,858.50 × 72,858.50
4. Step 4: Simplify right side
   45,801.50x = 5,308,361,022.25
5. Step 5: Solve for x
   x = 5,308,361,022.25/45,801.50
6. Step 6: Final answer
   x = 115,899.28