Finding the Third Proportional to 686,753 and 1,010,276

Step by Step Solution

1. Step 1: Write the proportion equation
   686,753 : 1,010,276 = 1,010,276 : x
2. Step 2: Convert to fraction form
   686,753/1,010,276 = 1,010,276/x
3. Step 3: Cross multiply
   686,753x = 1,010,276 × 1,010,276
4. Step 4: Simplify right side
   686,753x = 1,020,657,596,176
5. Step 5: Solve for x
   x = 1,020,657,596,176/686,753
6. Step 6: Final answer
   x = 1,486,207.70