Finding the Third Proportional to 158,290 and 346,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,290 : 346,598.50 = 346,598.50 : x
2. Step 2: Convert to fraction form
   158,290/346,598.50 = 346,598.50/x
3. Step 3: Cross multiply
   158,290x = 346,598.50 × 346,598.50
4. Step 4: Simplify right side
   158,290x = 120,130,520,202.25
5. Step 5: Solve for x
   x = 120,130,520,202.25/158,290
6. Step 6: Final answer
   x = 758,926.78