Finding the Third Proportional to 802,680 and 1,210,826

Step by Step Solution

1. Step 1: Write the proportion equation
   802,680 : 1,210,826 = 1,210,826 : x
2. Step 2: Convert to fraction form
   802,680/1,210,826 = 1,210,826/x
3. Step 3: Cross multiply
   802,680x = 1,210,826 × 1,210,826
4. Step 4: Simplify right side
   802,680x = 1,466,099,602,276
5. Step 5: Solve for x
   x = 1,466,099,602,276/802,680
6. Step 6: Final answer
   x = 1,826,505.71