Finding the Third Proportional to 175,518 and 342,283.50

Step by Step Solution

1. Step 1: Write the proportion equation
   175,518 : 342,283.50 = 342,283.50 : x
2. Step 2: Convert to fraction form
   175,518/342,283.50 = 342,283.50/x
3. Step 3: Cross multiply
   175,518x = 342,283.50 × 342,283.50
4. Step 4: Simplify right side
   175,518x = 117,157,994,372.25
5. Step 5: Solve for x
   x = 117,157,994,372.25/175,518
6. Step 6: Final answer
   x = 667,498.46