Finding the Third Proportional to 756,886 and 1,631,276

Step by Step Solution

1. Step 1: Write the proportion equation
   756,886 : 1,631,276 = 1,631,276 : x
2. Step 2: Convert to fraction form
   756,886/1,631,276 = 1,631,276/x
3. Step 3: Cross multiply
   756,886x = 1,631,276 × 1,631,276
4. Step 4: Simplify right side
   756,886x = 2,661,061,388,176
5. Step 5: Solve for x
   x = 2,661,061,388,176/756,886
6. Step 6: Final answer
   x = 3,515,802.10