Finding the Third Proportional to 698,912 and 1,528,679

Step by Step Solution

1. Step 1: Write the proportion equation
   698,912 : 1,528,679 = 1,528,679 : x
2. Step 2: Convert to fraction form
   698,912/1,528,679 = 1,528,679/x
3. Step 3: Cross multiply
   698,912x = 1,528,679 × 1,528,679
4. Step 4: Simplify right side
   698,912x = 2,336,859,485,041
5. Step 5: Solve for x
   x = 2,336,859,485,041/698,912
6. Step 6: Final answer
   x = 3,343,567.55