Finding the Third Proportional to 91,948.50 and 140,595.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,948.50 : 140,595.75 = 140,595.75 : x
2. Step 2: Convert to fraction form
   91,948.50/140,595.75 = 140,595.75/x
3. Step 3: Cross multiply
   91,948.50x = 140,595.75 × 140,595.75
4. Step 4: Simplify right side
   91,948.50x = 19,767,164,918.06
5. Step 5: Solve for x
   x = 19,767,164,918.06/91,948.50
6. Step 6: Final answer
   x = 214,980.83