Finding the Third Proportional to 4,558,342 and 9,726,860

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,342 : 9,726,860 = 9,726,860 : x
2. Step 2: Convert to fraction form
   4,558,342/9,726,860 = 9,726,860/x
3. Step 3: Cross multiply
   4,558,342x = 9,726,860 × 9,726,860
4. Step 4: Simplify right side
   4,558,342x = 94,611,805,459,600
5. Step 5: Solve for x
   x = 94,611,805,459,600/4,558,342
6. Step 6: Final answer
   x = 20,755,749.67