Finding the Third Proportional to 46,709.50 and 74,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,709.50 : 74,359.50 = 74,359.50 : x
2. Step 2: Convert to fraction form
   46,709.50/74,359.50 = 74,359.50/x
3. Step 3: Cross multiply
   46,709.50x = 74,359.50 × 74,359.50
4. Step 4: Simplify right side
   46,709.50x = 5,529,335,240.25
5. Step 5: Solve for x
   x = 5,529,335,240.25/46,709.50
6. Step 6: Final answer
   x = 118,377.10