Finding the Third Proportional to 915,804 and 1,994,315

Step by Step Solution

1. Step 1: Write the proportion equation
   915,804 : 1,994,315 = 1,994,315 : x
2. Step 2: Convert to fraction form
   915,804/1,994,315 = 1,994,315/x
3. Step 3: Cross multiply
   915,804x = 1,994,315 × 1,994,315
4. Step 4: Simplify right side
   915,804x = 3,977,292,319,225
5. Step 5: Solve for x
   x = 3,977,292,319,225/915,804
6. Step 6: Final answer
   x = 4,342,951.46