Finding the Third Proportional to 436,691 and 925,870

Step by Step Solution

1. Step 1: Write the proportion equation
   436,691 : 925,870 = 925,870 : x
2. Step 2: Convert to fraction form
   436,691/925,870 = 925,870/x
3. Step 3: Cross multiply
   436,691x = 925,870 × 925,870
4. Step 4: Simplify right side
   436,691x = 857,235,256,900
5. Step 5: Solve for x
   x = 857,235,256,900/436,691
6. Step 6: Final answer
   x = 1,963,024.79