Finding the Third Proportional to 686,810 and 1,050,627

Step by Step Solution

1. Step 1: Write the proportion equation
   686,810 : 1,050,627 = 1,050,627 : x
2. Step 2: Convert to fraction form
   686,810/1,050,627 = 1,050,627/x
3. Step 3: Cross multiply
   686,810x = 1,050,627 × 1,050,627
4. Step 4: Simplify right side
   686,810x = 1,103,817,093,129
5. Step 5: Solve for x
   x = 1,103,817,093,129/686,810
6. Step 6: Final answer
   x = 1,607,165.14