Finding the Third Proportional to 712,916 and 1,003,060

Step by Step Solution

1. Step 1: Write the proportion equation
   712,916 : 1,003,060 = 1,003,060 : x
2. Step 2: Convert to fraction form
   712,916/1,003,060 = 1,003,060/x
3. Step 3: Cross multiply
   712,916x = 1,003,060 × 1,003,060
4. Step 4: Simplify right side
   712,916x = 1,006,129,363,600
5. Step 5: Solve for x
   x = 1,006,129,363,600/712,916
6. Step 6: Final answer
   x = 1,411,287.39