Finding the Third Proportional to 341,429 and 491,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,429 : 491,807.50 = 491,807.50 : x
2. Step 2: Convert to fraction form
   341,429/491,807.50 = 491,807.50/x
3. Step 3: Cross multiply
   341,429x = 491,807.50 × 491,807.50
4. Step 4: Simplify right side
   341,429x = 241,874,617,056.25
5. Step 5: Solve for x
   x = 241,874,617,056.25/341,429
6. Step 6: Final answer
   x = 708,418.49