Finding the Third Proportional to 911,403 and 1,994,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   911,403 : 1,994,443.50 = 1,994,443.50 : x
2. Step 2: Convert to fraction form
   911,403/1,994,443.50 = 1,994,443.50/x
3. Step 3: Cross multiply
   911,403x = 1,994,443.50 × 1,994,443.50
4. Step 4: Simplify right side
   911,403x = 3,977,804,874,692.25
5. Step 5: Solve for x
   x = 3,977,804,874,692.25/911,403
6. Step 6: Final answer
   x = 4,364,485.17