Finding the Third Proportional to 144,822 and 307,124

Step by Step Solution

1. Step 1: Write the proportion equation
   144,822 : 307,124 = 307,124 : x
2. Step 2: Convert to fraction form
   144,822/307,124 = 307,124/x
3. Step 3: Cross multiply
   144,822x = 307,124 × 307,124
4. Step 4: Simplify right side
   144,822x = 94,325,151,376
5. Step 5: Solve for x
   x = 94,325,151,376/144,822
6. Step 6: Final answer
   x = 651,317.83