Finding the Third Proportional to 907,688 and 1,981,564

Step by Step Solution

1. Step 1: Write the proportion equation
   907,688 : 1,981,564 = 1,981,564 : x
2. Step 2: Convert to fraction form
   907,688/1,981,564 = 1,981,564/x
3. Step 3: Cross multiply
   907,688x = 1,981,564 × 1,981,564
4. Step 4: Simplify right side
   907,688x = 3,926,595,886,096
5. Step 5: Solve for x
   x = 3,926,595,886,096/907,688
6. Step 6: Final answer
   x = 4,325,931.25