Finding the Third Proportional to 686,752.50 and 1,010,274

Step by Step Solution

1. Step 1: Write the proportion equation
   686,752.50 : 1,010,274 = 1,010,274 : x
2. Step 2: Convert to fraction form
   686,752.50/1,010,274 = 1,010,274/x
3. Step 3: Cross multiply
   686,752.50x = 1,010,274 × 1,010,274
4. Step 4: Simplify right side
   686,752.50x = 1,020,653,555,076
5. Step 5: Solve for x
   x = 1,020,653,555,076/686,752.50
6. Step 6: Final answer
   x = 1,486,202.90