Finding the Third Proportional to 787,526 and 1,686,590

Step by Step Solution

1. Step 1: Write the proportion equation
   787,526 : 1,686,590 = 1,686,590 : x
2. Step 2: Convert to fraction form
   787,526/1,686,590 = 1,686,590/x
3. Step 3: Cross multiply
   787,526x = 1,686,590 × 1,686,590
4. Step 4: Simplify right side
   787,526x = 2,844,585,828,100
5. Step 5: Solve for x
   x = 2,844,585,828,100/787,526
6. Step 6: Final answer
   x = 3,612,053.23