Finding the Third Proportional to 1,706,139 and 3,711,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706,139 : 3,711,216 = 3,711,216 : x
2. Step 2: Convert to fraction form
   1,706,139/3,711,216 = 3,711,216/x
3. Step 3: Cross multiply
   1,706,139x = 3,711,216 × 3,711,216
4. Step 4: Simplify right side
   1,706,139x = 13,773,124,198,656
5. Step 5: Solve for x
   x = 13,773,124,198,656/1,706,139
6. Step 6: Final answer
   x = 8,072,685.87