Finding the Third Proportional to 4,415,342 and 9,774,980

Step by Step Solution

1. Step 1: Write the proportion equation
   4,415,342 : 9,774,980 = 9,774,980 : x
2. Step 2: Convert to fraction form
   4,415,342/9,774,980 = 9,774,980/x
3. Step 3: Cross multiply
   4,415,342x = 9,774,980 × 9,774,980
4. Step 4: Simplify right side
   4,415,342x = 95,550,234,000,400
5. Step 5: Solve for x
   x = 95,550,234,000,400/4,415,342
6. Step 6: Final answer
   x = 21,640,505.76