Finding the Third Proportional to 3,118,691 and 4,665,342

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,691 : 4,665,342 = 4,665,342 : x
2. Step 2: Convert to fraction form
   3,118,691/4,665,342 = 4,665,342/x
3. Step 3: Cross multiply
   3,118,691x = 4,665,342 × 4,665,342
4. Step 4: Simplify right side
   3,118,691x = 21,765,415,976,964
5. Step 5: Solve for x
   x = 21,765,415,976,964/3,118,691
6. Step 6: Final answer
   x = 6,979,022.92