Finding the Third Proportional to 196,893 and 297,139

Step by Step Solution

1. Step 1: Write the proportion equation
   196,893 : 297,139 = 297,139 : x
2. Step 2: Convert to fraction form
   196,893/297,139 = 297,139/x
3. Step 3: Cross multiply
   196,893x = 297,139 × 297,139
4. Step 4: Simplify right side
   196,893x = 88,291,585,321
5. Step 5: Solve for x
   x = 88,291,585,321/196,893
6. Step 6: Final answer
   x = 448,424.20