Finding the Third Proportional to 100,818 and 141,277.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,818 : 141,277.50 = 141,277.50 : x
2. Step 2: Convert to fraction form
   100,818/141,277.50 = 141,277.50/x
3. Step 3: Cross multiply
   100,818x = 141,277.50 × 141,277.50
4. Step 4: Simplify right side
   100,818x = 19,959,332,006.25
5. Step 5: Solve for x
   x = 19,959,332,006.25/100,818
6. Step 6: Final answer
   x = 197,973.89