Finding the Third Proportional to 342,236 and 706,152

Step by Step Solution

1. Step 1: Write the proportion equation
   342,236 : 706,152 = 706,152 : x
2. Step 2: Convert to fraction form
   342,236/706,152 = 706,152/x
3. Step 3: Cross multiply
   342,236x = 706,152 × 706,152
4. Step 4: Simplify right side
   342,236x = 498,650,647,104
5. Step 5: Solve for x
   x = 498,650,647,104/342,236
6. Step 6: Final answer
   x = 1,457,037.39