Finding the Third Proportional to 143,152 and 304,784

Step by Step Solution

1. Step 1: Write the proportion equation
   143,152 : 304,784 = 304,784 : x
2. Step 2: Convert to fraction form
   143,152/304,784 = 304,784/x
3. Step 3: Cross multiply
   143,152x = 304,784 × 304,784
4. Step 4: Simplify right side
   143,152x = 92,893,286,656
5. Step 5: Solve for x
   x = 92,893,286,656/143,152
6. Step 6: Final answer
   x = 648,913.65