Finding the Third Proportional to 359,638 and 536,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,638 : 536,994.50 = 536,994.50 : x
2. Step 2: Convert to fraction form
   359,638/536,994.50 = 536,994.50/x
3. Step 3: Cross multiply
   359,638x = 536,994.50 × 536,994.50
4. Step 4: Simplify right side
   359,638x = 288,363,093,030.25
5. Step 5: Solve for x
   x = 288,363,093,030.25/359,638
6. Step 6: Final answer
   x = 801,814.86