Finding the Third Proportional to 296,875.50 and 647,034

Step by Step Solution

1. Step 1: Write the proportion equation
   296,875.50 : 647,034 = 647,034 : x
2. Step 2: Convert to fraction form
   296,875.50/647,034 = 647,034/x
3. Step 3: Cross multiply
   296,875.50x = 647,034 × 647,034
4. Step 4: Simplify right side
   296,875.50x = 418,652,997,156
5. Step 5: Solve for x
   x = 418,652,997,156/296,875.50
6. Step 6: Final answer
   x = 1,410,197.19