Finding the Third Proportional to 1,705,860 and 3,621,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705,860 : 3,621,672 = 3,621,672 : x
2. Step 2: Convert to fraction form
   1,705,860/3,621,672 = 3,621,672/x
3. Step 3: Cross multiply
   1,705,860x = 3,621,672 × 3,621,672
4. Step 4: Simplify right side
   1,705,860x = 13,116,508,075,584
5. Step 5: Solve for x
   x = 13,116,508,075,584/1,705,860
6. Step 6: Final answer
   x = 7,689,088.25