Finding the Third Proportional to 141,784 and 307,040

Step by Step Solution

1. Step 1: Write the proportion equation
   141,784 : 307,040 = 307,040 : x
2. Step 2: Convert to fraction form
   141,784/307,040 = 307,040/x
3. Step 3: Cross multiply
   141,784x = 307,040 × 307,040
4. Step 4: Simplify right side
   141,784x = 94,273,561,600
5. Step 5: Solve for x
   x = 94,273,561,600/141,784
6. Step 6: Final answer
   x = 664,909.73