Finding the Third Proportional to 341,622 and 486,646.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,622 : 486,646.50 = 486,646.50 : x
2. Step 2: Convert to fraction form
   341,622/486,646.50 = 486,646.50/x
3. Step 3: Cross multiply
   341,622x = 486,646.50 × 486,646.50
4. Step 4: Simplify right side
   341,622x = 236,824,815,962.25
5. Step 5: Solve for x
   x = 236,824,815,962.25/341,622
6. Step 6: Final answer
   x = 693,236.43