Finding the Third Proportional to 19,358,577 and 42,131,058.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,358,577 : 42,131,058.75 = 42,131,058.75 : x
2. Step 2: Convert to fraction form
   19,358,577/42,131,058.75 = 42,131,058.75/x
3. Step 3: Cross multiply
   19,358,577x = 42,131,058.75 × 42,131,058.75
4. Step 4: Simplify right side
   19,358,577x = 1,775,026,111,395,951.50
5. Step 5: Solve for x
   x = 1,775,026,111,395,951.50/19,358,577
6. Step 6: Final answer
   x = 91,691,972.58