Finding the Third Proportional to 1,687,710 and 3,438,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,710 : 3,438,088 = 3,438,088 : x
2. Step 2: Convert to fraction form
   1,687,710/3,438,088 = 3,438,088/x
3. Step 3: Cross multiply
   1,687,710x = 3,438,088 × 3,438,088
4. Step 4: Simplify right side
   1,687,710x = 11,820,449,095,744
5. Step 5: Solve for x
   x = 11,820,449,095,744/1,687,710
6. Step 6: Final answer
   x = 7,003,838.99