Finding the Third Proportional to 284,333.63 and 427,654.69

Step by Step Solution

1. Step 1: Write the proportion equation
   284,333.63 : 427,654.69 = 427,654.69 : x
2. Step 2: Convert to fraction form
   284,333.63/427,654.69 = 427,654.69/x
3. Step 3: Cross multiply
   284,333.63x = 427,654.69 × 427,654.69
4. Step 4: Simplify right side
   284,333.63x = 182,888,531,740.72
5. Step 5: Solve for x
   x = 182,888,531,740.72/284,333.63
6. Step 6: Final answer
   x = 643,218.09