Finding the Third Proportional to 911,380.50 and 1,994,400

Step by Step Solution

1. Step 1: Write the proportion equation
   911,380.50 : 1,994,400 = 1,994,400 : x
2. Step 2: Convert to fraction form
   911,380.50/1,994,400 = 1,994,400/x
3. Step 3: Cross multiply
   911,380.50x = 1,994,400 × 1,994,400
4. Step 4: Simplify right side
   911,380.50x = 3,977,631,360,000
5. Step 5: Solve for x
   x = 3,977,631,360,000/911,380.50
6. Step 6: Final answer
   x = 4,364,402.53