Finding the Third Proportional to 342,930 and 462,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,930 : 462,595.50 = 462,595.50 : x
2. Step 2: Convert to fraction form
   342,930/462,595.50 = 462,595.50/x
3. Step 3: Cross multiply
   342,930x = 462,595.50 × 462,595.50
4. Step 4: Simplify right side
   342,930x = 213,994,596,620.25
5. Step 5: Solve for x
   x = 213,994,596,620.25/342,930
6. Step 6: Final answer
   x = 624,018.30