Finding the Third Proportional to 891,956.50 and 1,271,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   891,956.50 : 1,271,503.50 = 1,271,503.50 : x
2. Step 2: Convert to fraction form
   891,956.50/1,271,503.50 = 1,271,503.50/x
3. Step 3: Cross multiply
   891,956.50x = 1,271,503.50 × 1,271,503.50
4. Step 4: Simplify right side
   891,956.50x = 1,616,721,150,512.25
5. Step 5: Solve for x
   x = 1,616,721,150,512.25/891,956.50
6. Step 6: Final answer
   x = 1,812,556.05