Finding the Third Proportional to 1,669,140 and 3,604,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669,140 : 3,604,356 = 3,604,356 : x
2. Step 2: Convert to fraction form
   1,669,140/3,604,356 = 3,604,356/x
3. Step 3: Cross multiply
   1,669,140x = 3,604,356 × 3,604,356
4. Step 4: Simplify right side
   1,669,140x = 12,991,382,174,736
5. Step 5: Solve for x
   x = 12,991,382,174,736/1,669,140
6. Step 6: Final answer
   x = 7,783,278.92