Finding the Third Proportional to 887,458.78 and 1,302,859.69

Step by Step Solution

1. Step 1: Write the proportion equation
   887,458.78 : 1,302,859.69 = 1,302,859.69 : x
2. Step 2: Convert to fraction form
   887,458.78/1,302,859.69 = 1,302,859.69/x
3. Step 3: Cross multiply
   887,458.78x = 1,302,859.69 × 1,302,859.69
4. Step 4: Simplify right side
   887,458.78x = 1,697,443,365,312.60
5. Step 5: Solve for x
   x = 1,697,443,365,312.60/887,458.78
6. Step 6: Final answer
   x = 1,912,701.08