Finding the Third Proportional to 100,672.50 and 136,246

Step by Step Solution

1. Step 1: Write the proportion equation
   100,672.50 : 136,246 = 136,246 : x
2. Step 2: Convert to fraction form
   100,672.50/136,246 = 136,246/x
3. Step 3: Cross multiply
   100,672.50x = 136,246 × 136,246
4. Step 4: Simplify right side
   100,672.50x = 18,562,972,516
5. Step 5: Solve for x
   x = 18,562,972,516/100,672.50
6. Step 6: Final answer
   x = 184,389.70