Finding the Third Proportional to 19,928,088 and 42,912,544

Step by Step Solution

1. Step 1: Write the proportion equation
   19,928,088 : 42,912,544 = 42,912,544 : x
2. Step 2: Convert to fraction form
   19,928,088/42,912,544 = 42,912,544/x
3. Step 3: Cross multiply
   19,928,088x = 42,912,544 × 42,912,544
4. Step 4: Simplify right side
   19,928,088x = 1,841,486,432,551,936
5. Step 5: Solve for x
   x = 1,841,486,432,551,936/19,928,088
6. Step 6: Final answer
   x = 92,406,578.72