Finding the Third Proportional to 91,759 and 141,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,759 : 141,820.50 = 141,820.50 : x
2. Step 2: Convert to fraction form
   91,759/141,820.50 = 141,820.50/x
3. Step 3: Cross multiply
   91,759x = 141,820.50 × 141,820.50
4. Step 4: Simplify right side
   91,759x = 20,113,054,220.25
5. Step 5: Solve for x
   x = 20,113,054,220.25/91,759
6. Step 6: Final answer
   x = 219,194.35