Finding the Third Proportional to 456,719.50 and 981,479

Step by Step Solution

1. Step 1: Write the proportion equation
   456,719.50 : 981,479 = 981,479 : x
2. Step 2: Convert to fraction form
   456,719.50/981,479 = 981,479/x
3. Step 3: Cross multiply
   456,719.50x = 981,479 × 981,479
4. Step 4: Simplify right side
   456,719.50x = 963,301,027,441
5. Step 5: Solve for x
   x = 963,301,027,441/456,719.50
6. Step 6: Final answer
   x = 2,109,174.29