Finding the Third Proportional to 8,938,116 and 18,948,726

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938,116 : 18,948,726 = 18,948,726 : x
2. Step 2: Convert to fraction form
   8,938,116/18,948,726 = 18,948,726/x
3. Step 3: Cross multiply
   8,938,116x = 18,948,726 × 18,948,726
4. Step 4: Simplify right side
   8,938,116x = 359,054,217,023,076
5. Step 5: Solve for x
   x = 359,054,217,023,076/8,938,116
6. Step 6: Final answer
   x = 40,171,129.69