Finding the Third Proportional to 1,782,396 and 3,711,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,396 : 3,711,672 = 3,711,672 : x
2. Step 2: Convert to fraction form
   1,782,396/3,711,672 = 3,711,672/x
3. Step 3: Cross multiply
   1,782,396x = 3,711,672 × 3,711,672
4. Step 4: Simplify right side
   1,782,396x = 13,776,509,035,584
5. Step 5: Solve for x
   x = 13,776,509,035,584/1,782,396
6. Step 6: Final answer
   x = 7,729,207.78