Finding the Third Proportional to 459,072 and 877,623.75

Step by Step Solution

1. Step 1: Write the proportion equation
   459,072 : 877,623.75 = 877,623.75 : x
2. Step 2: Convert to fraction form
   459,072/877,623.75 = 877,623.75/x
3. Step 3: Cross multiply
   459,072x = 877,623.75 × 877,623.75
4. Step 4: Simplify right side
   459,072x = 770,223,446,564.06
5. Step 5: Solve for x
   x = 770,223,446,564.06/459,072
6. Step 6: Final answer
   x = 1,677,783.54