Finding the Third Proportional to 91,943 and 140,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,943 : 140,588.50 = 140,588.50 : x
2. Step 2: Convert to fraction form
   91,943/140,588.50 = 140,588.50/x
3. Step 3: Cross multiply
   91,943x = 140,588.50 × 140,588.50
4. Step 4: Simplify right side
   91,943x = 19,765,126,332.25
5. Step 5: Solve for x
   x = 19,765,126,332.25/91,943
6. Step 6: Final answer
   x = 214,971.52