Finding the Third Proportional to 10,402,290 and 13,802,724

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402,290 : 13,802,724 = 13,802,724 : x
2. Step 2: Convert to fraction form
   10,402,290/13,802,724 = 13,802,724/x
3. Step 3: Cross multiply
   10,402,290x = 13,802,724 × 13,802,724
4. Step 4: Simplify right side
   10,402,290x = 190,515,189,820,176
5. Step 5: Solve for x
   x = 190,515,189,820,176/10,402,290
6. Step 6: Final answer
   x = 18,314,735.49