Finding the Third Proportional to 93,912 and 140,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,912 : 140,908.50 = 140,908.50 : x
2. Step 2: Convert to fraction form
   93,912/140,908.50 = 140,908.50/x
3. Step 3: Cross multiply
   93,912x = 140,908.50 × 140,908.50
4. Step 4: Simplify right side
   93,912x = 19,855,205,372.25
5. Step 5: Solve for x
   x = 19,855,205,372.25/93,912
6. Step 6: Final answer
   x = 211,423.52