Finding the Third Proportional to 831,663 and 1,791,222

Step by Step Solution

1. Step 1: Write the proportion equation
   831,663 : 1,791,222 = 1,791,222 : x
2. Step 2: Convert to fraction form
   831,663/1,791,222 = 1,791,222/x
3. Step 3: Cross multiply
   831,663x = 1,791,222 × 1,791,222
4. Step 4: Simplify right side
   831,663x = 3,208,476,253,284
5. Step 5: Solve for x
   x = 3,208,476,253,284/831,663
6. Step 6: Final answer
   x = 3,857,904.29