Finding the Third Proportional to 19,238,938 and 42,325,620

Step by Step Solution

1. Step 1: Write the proportion equation
   19,238,938 : 42,325,620 = 42,325,620 : x
2. Step 2: Convert to fraction form
   19,238,938/42,325,620 = 42,325,620/x
3. Step 3: Cross multiply
   19,238,938x = 42,325,620 × 42,325,620
4. Step 4: Simplify right side
   19,238,938x = 1,791,458,108,384,400
5. Step 5: Solve for x
   x = 1,791,458,108,384,400/19,238,938
6. Step 6: Final answer
   x = 93,116,268.08