Finding the Third Proportional to 890,878.50 and 1,942,560

Step by Step Solution

1. Step 1: Write the proportion equation
   890,878.50 : 1,942,560 = 1,942,560 : x
2. Step 2: Convert to fraction form
   890,878.50/1,942,560 = 1,942,560/x
3. Step 3: Cross multiply
   890,878.50x = 1,942,560 × 1,942,560
4. Step 4: Simplify right side
   890,878.50x = 3,773,539,353,600
5. Step 5: Solve for x
   x = 3,773,539,353,600/890,878.50
6. Step 6: Final answer
   x = 4,235,750.84