Finding the Third Proportional to 159,799.50 and 347,490

Step by Step Solution

1. Step 1: Write the proportion equation
   159,799.50 : 347,490 = 347,490 : x
2. Step 2: Convert to fraction form
   159,799.50/347,490 = 347,490/x
3. Step 3: Cross multiply
   159,799.50x = 347,490 × 347,490
4. Step 4: Simplify right side
   159,799.50x = 120,749,300,100
5. Step 5: Solve for x
   x = 120,749,300,100/159,799.50
6. Step 6: Final answer
   x = 755,630.02