Finding the Third Proportional to 100,836 and 141,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,836 : 141,320.50 = 141,320.50 : x
2. Step 2: Convert to fraction form
   100,836/141,320.50 = 141,320.50/x
3. Step 3: Cross multiply
   100,836x = 141,320.50 × 141,320.50
4. Step 4: Simplify right side
   100,836x = 19,971,483,720.25
5. Step 5: Solve for x
   x = 19,971,483,720.25/100,836
6. Step 6: Final answer
   x = 198,059.06