Finding the Third Proportional to 915,816 and 1,994,340

Step by Step Solution

1. Step 1: Write the proportion equation
   915,816 : 1,994,340 = 1,994,340 : x
2. Step 2: Convert to fraction form
   915,816/1,994,340 = 1,994,340/x
3. Step 3: Cross multiply
   915,816x = 1,994,340 × 1,994,340
4. Step 4: Simplify right side
   915,816x = 3,977,392,035,600
5. Step 5: Solve for x
   x = 3,977,392,035,600/915,816
6. Step 6: Final answer
   x = 4,343,003.44