Finding the Third Proportional to 453,672 and 684,150.75

Step by Step Solution

1. Step 1: Write the proportion equation
   453,672 : 684,150.75 = 684,150.75 : x
2. Step 2: Convert to fraction form
   453,672/684,150.75 = 684,150.75/x
3. Step 3: Cross multiply
   453,672x = 684,150.75 × 684,150.75
4. Step 4: Simplify right side
   453,672x = 468,062,248,725.56
5. Step 5: Solve for x
   x = 468,062,248,725.56/453,672
6. Step 6: Final answer
   x = 1,031,719.50