Finding the Third Proportional to 3,690,412 and 5,194,644

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690,412 : 5,194,644 = 5,194,644 : x
2. Step 2: Convert to fraction form
   3,690,412/5,194,644 = 5,194,644/x
3. Step 3: Cross multiply
   3,690,412x = 5,194,644 × 5,194,644
4. Step 4: Simplify right side
   3,690,412x = 26,984,326,286,736
5. Step 5: Solve for x
   x = 26,984,326,286,736/3,690,412
6. Step 6: Final answer
   x = 7,312,009.14