Finding the Third Proportional to 371,910 and 812,940

Step by Step Solution

1. Step 1: Write the proportion equation
   371,910 : 812,940 = 812,940 : x
2. Step 2: Convert to fraction form
   371,910/812,940 = 812,940/x
3. Step 3: Cross multiply
   371,910x = 812,940 × 812,940
4. Step 4: Simplify right side
   371,910x = 660,871,443,600
5. Step 5: Solve for x
   x = 660,871,443,600/371,910
6. Step 6: Final answer
   x = 1,776,966.05