Finding the Third Proportional to 863,900.25 and 1,885,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   863,900.25 : 1,885,021.50 = 1,885,021.50 : x
2. Step 2: Convert to fraction form
   863,900.25/1,885,021.50 = 1,885,021.50/x
3. Step 3: Cross multiply
   863,900.25x = 1,885,021.50 × 1,885,021.50
4. Step 4: Simplify right side
   863,900.25x = 3,553,306,055,462.25
5. Step 5: Solve for x
   x = 3,553,306,055,462.25/863,900.25
6. Step 6: Final answer
   x = 4,113,097.61