Finding the Third Proportional to 19,841,193 and 42,516,738

Step by Step Solution

1. Step 1: Write the proportion equation
   19,841,193 : 42,516,738 = 42,516,738 : x
2. Step 2: Convert to fraction form
   19,841,193/42,516,738 = 42,516,738/x
3. Step 3: Cross multiply
   19,841,193x = 42,516,738 × 42,516,738
4. Step 4: Simplify right side
   19,841,193x = 1,807,673,010,160,644
5. Step 5: Solve for x
   x = 1,807,673,010,160,644/19,841,193
6. Step 6: Final answer
   x = 91,107,072.55