Finding the Third Proportional to 559,305 and 874,931.63

Step by Step Solution

1. Step 1: Write the proportion equation
   559,305 : 874,931.63 = 874,931.63 : x
2. Step 2: Convert to fraction form
   559,305/874,931.63 = 874,931.63/x
3. Step 3: Cross multiply
   559,305x = 874,931.63 × 874,931.63
4. Step 4: Simplify right side
   559,305x = 765,505,348,425.14
5. Step 5: Solve for x
   x = 765,505,348,425.14/559,305
6. Step 6: Final answer
   x = 1,368,672.46