Finding the Third Proportional to 3,634,135 and 7,870,099

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,135 : 7,870,099 = 7,870,099 : x
2. Step 2: Convert to fraction form
   3,634,135/7,870,099 = 7,870,099/x
3. Step 3: Cross multiply
   3,634,135x = 7,870,099 × 7,870,099
4. Step 4: Simplify right side
   3,634,135x = 61,938,458,269,801
5. Step 5: Solve for x
   x = 61,938,458,269,801/3,634,135
6. Step 6: Final answer
   x = 17,043,521.57