Finding the Third Proportional to 326,156.63 and 459,300.38

Step by Step Solution

1. Step 1: Write the proportion equation
   326,156.63 : 459,300.38 = 459,300.38 : x
2. Step 2: Convert to fraction form
   326,156.63/459,300.38 = 459,300.38/x
3. Step 3: Cross multiply
   326,156.63x = 459,300.38 × 459,300.38
4. Step 4: Simplify right side
   326,156.63x = 210,956,834,475.14
5. Step 5: Solve for x
   x = 210,956,834,475.14/326,156.63
6. Step 6: Final answer
   x = 646,796.10