Finding the Third Proportional to 1,782,400 and 3,711,681

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,400 : 3,711,681 = 3,711,681 : x
2. Step 2: Convert to fraction form
   1,782,400/3,711,681 = 3,711,681/x
3. Step 3: Cross multiply
   1,782,400x = 3,711,681 × 3,711,681
4. Step 4: Simplify right side
   1,782,400x = 13,776,575,845,761
5. Step 5: Solve for x
   x = 13,776,575,845,761/1,782,400
6. Step 6: Final answer
   x = 7,729,227.92