Finding the Third Proportional to 103,812 and 147,940

Step by Step Solution

1. Step 1: Write the proportion equation
   103,812 : 147,940 = 147,940 : x
2. Step 2: Convert to fraction form
   103,812/147,940 = 147,940/x
3. Step 3: Cross multiply
   103,812x = 147,940 × 147,940
4. Step 4: Simplify right side
   103,812x = 21,886,243,600
5. Step 5: Solve for x
   x = 21,886,243,600/103,812
6. Step 6: Final answer
   x = 210,825.76