Finding the Third Proportional to 870,823.88 and 1,345,063.78

Step by Step Solution

1. Step 1: Write the proportion equation
   870,823.88 : 1,345,063.78 = 1,345,063.78 : x
2. Step 2: Convert to fraction form
   870,823.88/1,345,063.78 = 1,345,063.78/x
3. Step 3: Cross multiply
   870,823.88x = 1,345,063.78 × 1,345,063.78
4. Step 4: Simplify right side
   870,823.88x = 1,809,196,575,630.55
5. Step 5: Solve for x
   x = 1,809,196,575,630.55/870,823.88
6. Step 6: Final answer
   x = 2,077,568.87