Finding the Third Proportional to 46,431.50 and 69,984.75

Step by Step Solution

1. Step 1: Write the proportion equation
   46,431.50 : 69,984.75 = 69,984.75 : x
2. Step 2: Convert to fraction form
   46,431.50/69,984.75 = 69,984.75/x
3. Step 3: Cross multiply
   46,431.50x = 69,984.75 × 69,984.75
4. Step 4: Simplify right side
   46,431.50x = 4,897,865,232.56
5. Step 5: Solve for x
   x = 4,897,865,232.56/46,431.50
6. Step 6: Final answer
   x = 105,485.83