Finding the Third Proportional to 19,910,449 and 42,550,274

Step by Step Solution

1. Step 1: Write the proportion equation
   19,910,449 : 42,550,274 = 42,550,274 : x
2. Step 2: Convert to fraction form
   19,910,449/42,550,274 = 42,550,274/x
3. Step 3: Cross multiply
   19,910,449x = 42,550,274 × 42,550,274
4. Step 4: Simplify right side
   19,910,449x = 1,810,525,817,475,076
5. Step 5: Solve for x
   x = 1,810,525,817,475,076/19,910,449
6. Step 6: Final answer
   x = 90,933,449.94