Finding the Third Proportional to 243,008 and 364,510

Step by Step Solution

1. Step 1: Write the proportion equation
   243,008 : 364,510 = 364,510 : x
2. Step 2: Convert to fraction form
   243,008/364,510 = 364,510/x
3. Step 3: Cross multiply
   243,008x = 364,510 × 364,510
4. Step 4: Simplify right side
   243,008x = 132,867,540,100
5. Step 5: Solve for x
   x = 132,867,540,100/243,008
6. Step 6: Final answer
   x = 546,762.00