Finding the Third Proportional to 19,559,994.75 and 42,480,040.78

Step by Step Solution

1. Step 1: Write the proportion equation
   19,559,994.75 : 42,480,040.78 = 42,480,040.78 : x
2. Step 2: Convert to fraction form
   19,559,994.75/42,480,040.78 = 42,480,040.78/x
3. Step 3: Cross multiply
   19,559,994.75x = 42,480,040.78 × 42,480,040.78
4. Step 4: Simplify right side
   19,559,994.75x = 1,804,553,864,776,663
5. Step 5: Solve for x
   x = 1,804,553,864,776,663/19,559,994.75
6. Step 6: Final answer
   x = 92,257,379.81