Finding the Third Proportional to 684,726 and 1,526,808

Step by Step Solution

1. Step 1: Write the proportion equation
   684,726 : 1,526,808 = 1,526,808 : x
2. Step 2: Convert to fraction form
   684,726/1,526,808 = 1,526,808/x
3. Step 3: Cross multiply
   684,726x = 1,526,808 × 1,526,808
4. Step 4: Simplify right side
   684,726x = 2,331,142,668,864
5. Step 5: Solve for x
   x = 2,331,142,668,864/684,726
6. Step 6: Final answer
   x = 3,404,489.78