Finding the Third Proportional to 688,066 and 1,554,522

Step by Step Solution

1. Step 1: Write the proportion equation
   688,066 : 1,554,522 = 1,554,522 : x
2. Step 2: Convert to fraction form
   688,066/1,554,522 = 1,554,522/x
3. Step 3: Cross multiply
   688,066x = 1,554,522 × 1,554,522
4. Step 4: Simplify right side
   688,066x = 2,416,538,648,484
5. Step 5: Solve for x
   x = 2,416,538,648,484/688,066
6. Step 6: Final answer
   x = 3,512,073.91