Finding the Third Proportional to 4,946,422 and 7,868,450

Step by Step Solution

1. Step 1: Write the proportion equation
   4,946,422 : 7,868,450 = 7,868,450 : x
2. Step 2: Convert to fraction form
   4,946,422/7,868,450 = 7,868,450/x
3. Step 3: Cross multiply
   4,946,422x = 7,868,450 × 7,868,450
4. Step 4: Simplify right side
   4,946,422x = 61,912,505,402,500
5. Step 5: Solve for x
   x = 61,912,505,402,500/4,946,422
6. Step 6: Final answer
   x = 12,516,624.22