Finding the Third Proportional to 342,336 and 695,040

Step by Step Solution

1. Step 1: Write the proportion equation
   342,336 : 695,040 = 695,040 : x
2. Step 2: Convert to fraction form
   342,336/695,040 = 695,040/x
3. Step 3: Cross multiply
   342,336x = 695,040 × 695,040
4. Step 4: Simplify right side
   342,336x = 483,080,601,600
5. Step 5: Solve for x
   x = 483,080,601,600/342,336
6. Step 6: Final answer
   x = 1,411,130.01