Finding the Third Proportional to 341,412 and 491,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,412 : 491,815.50 = 491,815.50 : x
2. Step 2: Convert to fraction form
   341,412/491,815.50 = 491,815.50/x
3. Step 3: Cross multiply
   341,412x = 491,815.50 × 491,815.50
4. Step 4: Simplify right side
   341,412x = 241,882,486,040.25
5. Step 5: Solve for x
   x = 241,882,486,040.25/341,412
6. Step 6: Final answer
   x = 708,476.81