Finding the Third Proportional to 47,687.50 and 70,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,687.50 : 70,069.50 = 70,069.50 : x
2. Step 2: Convert to fraction form
   47,687.50/70,069.50 = 70,069.50/x
3. Step 3: Cross multiply
   47,687.50x = 70,069.50 × 70,069.50
4. Step 4: Simplify right side
   47,687.50x = 4,909,734,830.25
5. Step 5: Solve for x
   x = 4,909,734,830.25/47,687.50
6. Step 6: Final answer
   x = 102,956.43