Finding the Third Proportional to 640,773 and 1,364,370

Step by Step Solution

1. Step 1: Write the proportion equation
   640,773 : 1,364,370 = 1,364,370 : x
2. Step 2: Convert to fraction form
   640,773/1,364,370 = 1,364,370/x
3. Step 3: Cross multiply
   640,773x = 1,364,370 × 1,364,370
4. Step 4: Simplify right side
   640,773x = 1,861,505,496,900
5. Step 5: Solve for x
   x = 1,861,505,496,900/640,773
6. Step 6: Final answer
   x = 2,905,093.53