Finding the Third Proportional to 93,243 and 140,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,243 : 140,638.50 = 140,638.50 : x
2. Step 2: Convert to fraction form
   93,243/140,638.50 = 140,638.50/x
3. Step 3: Cross multiply
   93,243x = 140,638.50 × 140,638.50
4. Step 4: Simplify right side
   93,243x = 19,779,187,682.25
5. Step 5: Solve for x
   x = 19,779,187,682.25/93,243
6. Step 6: Final answer
   x = 212,125.17