Finding the Third Proportional to 100,688 and 141,141

Step by Step Solution

1. Step 1: Write the proportion equation
   100,688 : 141,141 = 141,141 : x
2. Step 2: Convert to fraction form
   100,688/141,141 = 141,141/x
3. Step 3: Cross multiply
   100,688x = 141,141 × 141,141
4. Step 4: Simplify right side
   100,688x = 19,920,781,881
5. Step 5: Solve for x
   x = 19,920,781,881/100,688
6. Step 6: Final answer
   x = 197,846.63