Finding the Third Proportional to 831,972 and 1,188,900

Step by Step Solution

1. Step 1: Write the proportion equation
   831,972 : 1,188,900 = 1,188,900 : x
2. Step 2: Convert to fraction form
   831,972/1,188,900 = 1,188,900/x
3. Step 3: Cross multiply
   831,972x = 1,188,900 × 1,188,900
4. Step 4: Simplify right side
   831,972x = 1,413,483,210,000
5. Step 5: Solve for x
   x = 1,413,483,210,000/831,972
6. Step 6: Final answer
   x = 1,698,955.27