Finding the Third Proportional to 688,130 and 1,011,955

Step by Step Solution

1. Step 1: Write the proportion equation
   688,130 : 1,011,955 = 1,011,955 : x
2. Step 2: Convert to fraction form
   688,130/1,011,955 = 1,011,955/x
3. Step 3: Cross multiply
   688,130x = 1,011,955 × 1,011,955
4. Step 4: Simplify right side
   688,130x = 1,024,052,922,025
5. Step 5: Solve for x
   x = 1,024,052,922,025/688,130
6. Step 6: Final answer
   x = 1,488,167.82