Finding the Third Proportional to 1,200,473 and 1,831,199

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,473 : 1,831,199 = 1,831,199 : x
2. Step 2: Convert to fraction form
   1,200,473/1,831,199 = 1,831,199/x
3. Step 3: Cross multiply
   1,200,473x = 1,831,199 × 1,831,199
4. Step 4: Simplify right side
   1,200,473x = 3,353,289,777,601
5. Step 5: Solve for x
   x = 3,353,289,777,601/1,200,473
6. Step 6: Final answer
   x = 2,793,307.12