Finding the Third Proportional to 454,342.50 and 991,197

Step by Step Solution

1. Step 1: Write the proportion equation
   454,342.50 : 991,197 = 991,197 : x
2. Step 2: Convert to fraction form
   454,342.50/991,197 = 991,197/x
3. Step 3: Cross multiply
   454,342.50x = 991,197 × 991,197
4. Step 4: Simplify right side
   454,342.50x = 982,471,492,809
5. Step 5: Solve for x
   x = 982,471,492,809/454,342.50
6. Step 6: Final answer
   x = 2,162,402.80