Finding the Third Proportional to 1,690,964 and 3,621,354

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,964 : 3,621,354 = 3,621,354 : x
2. Step 2: Convert to fraction form
   1,690,964/3,621,354 = 3,621,354/x
3. Step 3: Cross multiply
   1,690,964x = 3,621,354 × 3,621,354
4. Step 4: Simplify right side
   1,690,964x = 13,114,204,793,316
5. Step 5: Solve for x
   x = 13,114,204,793,316/1,690,964
6. Step 6: Final answer
   x = 7,755,460.67