Finding the Third Proportional to 50,890.50 and 70,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,890.50 : 70,319.50 = 70,319.50 : x
2. Step 2: Convert to fraction form
   50,890.50/70,319.50 = 70,319.50/x
3. Step 3: Cross multiply
   50,890.50x = 70,319.50 × 70,319.50
4. Step 4: Simplify right side
   50,890.50x = 4,944,832,080.25
5. Step 5: Solve for x
   x = 4,944,832,080.25/50,890.50
6. Step 6: Final answer
   x = 97,166.11