Finding the Third Proportional to 19,928,004 and 42,912,336

Step by Step Solution

1. Step 1: Write the proportion equation
   19,928,004 : 42,912,336 = 42,912,336 : x
2. Step 2: Convert to fraction form
   19,928,004/42,912,336 = 42,912,336/x
3. Step 3: Cross multiply
   19,928,004x = 42,912,336 × 42,912,336
4. Step 4: Simplify right side
   19,928,004x = 1,841,468,580,976,896
5. Step 5: Solve for x
   x = 1,841,468,580,976,896/19,928,004
6. Step 6: Final answer
   x = 92,406,072.43