Finding the Third Proportional to 68,819.50 and 100,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,819.50 : 100,572.50 = 100,572.50 : x
2. Step 2: Convert to fraction form
   68,819.50/100,572.50 = 100,572.50/x
3. Step 3: Cross multiply
   68,819.50x = 100,572.50 × 100,572.50
4. Step 4: Simplify right side
   68,819.50x = 10,114,827,756.25
5. Step 5: Solve for x
   x = 10,114,827,756.25/68,819.50
6. Step 6: Final answer
   x = 146,976.19