Finding the Third Proportional to 4,579,422 and 9,946,164

Step by Step Solution

1. Step 1: Write the proportion equation
   4,579,422 : 9,946,164 = 9,946,164 : x
2. Step 2: Convert to fraction form
   4,579,422/9,946,164 = 9,946,164/x
3. Step 3: Cross multiply
   4,579,422x = 9,946,164 × 9,946,164
4. Step 4: Simplify right side
   4,579,422x = 98,926,178,314,896
5. Step 5: Solve for x
   x = 98,926,178,314,896/4,579,422
6. Step 6: Final answer
   x = 21,602,328.48