Finding the Third Proportional to 5,742,636 and 12,617,364

Step by Step Solution

1. Step 1: Write the proportion equation
   5,742,636 : 12,617,364 = 12,617,364 : x
2. Step 2: Convert to fraction form
   5,742,636/12,617,364 = 12,617,364/x
3. Step 3: Cross multiply
   5,742,636x = 12,617,364 × 12,617,364
4. Step 4: Simplify right side
   5,742,636x = 159,197,874,308,496
5. Step 5: Solve for x
   x = 159,197,874,308,496/5,742,636
6. Step 6: Final answer
   x = 27,722,090.40