Finding the Third Proportional to 93,408 and 140,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,408 : 140,209.50 = 140,209.50 : x
2. Step 2: Convert to fraction form
   93,408/140,209.50 = 140,209.50/x
3. Step 3: Cross multiply
   93,408x = 140,209.50 × 140,209.50
4. Step 4: Simplify right side
   93,408x = 19,658,703,890.25
5. Step 5: Solve for x
   x = 19,658,703,890.25/93,408
6. Step 6: Final answer
   x = 210,460.60