Finding the Third Proportional to 915,800 and 1,994,306

Step by Step Solution

1. Step 1: Write the proportion equation
   915,800 : 1,994,306 = 1,994,306 : x
2. Step 2: Convert to fraction form
   915,800/1,994,306 = 1,994,306/x
3. Step 3: Cross multiply
   915,800x = 1,994,306 × 1,994,306
4. Step 4: Simplify right side
   915,800x = 3,977,256,421,636
5. Step 5: Solve for x
   x = 3,977,256,421,636/915,800
6. Step 6: Final answer
   x = 4,342,931.23