Finding the Third Proportional to 1,213,872 and 1,875,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,872 : 1,875,564 = 1,875,564 : x
2. Step 2: Convert to fraction form
   1,213,872/1,875,564 = 1,875,564/x
3. Step 3: Cross multiply
   1,213,872x = 1,875,564 × 1,875,564
4. Step 4: Simplify right side
   1,213,872x = 3,517,740,318,096
5. Step 5: Solve for x
   x = 3,517,740,318,096/1,213,872
6. Step 6: Final answer
   x = 2,897,949.96