Finding the Third Proportional to 870,808 and 1,345,046

Step by Step Solution

1. Step 1: Write the proportion equation
   870,808 : 1,345,046 = 1,345,046 : x
2. Step 2: Convert to fraction form
   870,808/1,345,046 = 1,345,046/x
3. Step 3: Cross multiply
   870,808x = 1,345,046 × 1,345,046
4. Step 4: Simplify right side
   870,808x = 1,809,148,742,116
5. Step 5: Solve for x
   x = 1,809,148,742,116/870,808
6. Step 6: Final answer
   x = 2,077,551.82