Finding the Third Proportional to 245,560 and 346,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,560 : 346,606.50 = 346,606.50 : x
2. Step 2: Convert to fraction form
   245,560/346,606.50 = 346,606.50/x
3. Step 3: Cross multiply
   245,560x = 346,606.50 × 346,606.50
4. Step 4: Simplify right side
   245,560x = 120,136,065,842.25
5. Step 5: Solve for x
   x = 120,136,065,842.25/245,560
6. Step 6: Final answer
   x = 489,233.04