Finding the Third Proportional to 196,884 and 402,073.88

Step by Step Solution

1. Step 1: Write the proportion equation
   196,884 : 402,073.88 = 402,073.88 : x
2. Step 2: Convert to fraction form
   196,884/402,073.88 = 402,073.88/x
3. Step 3: Cross multiply
   196,884x = 402,073.88 × 402,073.88
4. Step 4: Simplify right side
   196,884x = 161,663,400,957.52
5. Step 5: Solve for x
   x = 161,663,400,957.52/196,884
6. Step 6: Final answer
   x = 821,109.90