Finding the Third Proportional to 403,947 and 598,109.06

Step by Step Solution

1. Step 1: Write the proportion equation
   403,947 : 598,109.06 = 598,109.06 : x
2. Step 2: Convert to fraction form
   403,947/598,109.06 = 598,109.06/x
3. Step 3: Cross multiply
   403,947x = 598,109.06 × 598,109.06
4. Step 4: Simplify right side
   403,947x = 357,734,450,644.63
5. Step 5: Solve for x
   x = 357,734,450,644.63/403,947
6. Step 6: Final answer
   x = 885,597.49