Finding the Third Proportional to 19,876,758.75 and 42,045,243.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,876,758.75 : 42,045,243.75 = 42,045,243.75 : x
2. Step 2: Convert to fraction form
   19,876,758.75/42,045,243.75 = 42,045,243.75/x
3. Step 3: Cross multiply
   19,876,758.75x = 42,045,243.75 × 42,045,243.75
4. Step 4: Simplify right side
   19,876,758.75x = 1,767,802,521,996,914
5. Step 5: Solve for x
   x = 1,767,802,521,996,914/19,876,758.75
6. Step 6: Final answer
   x = 88,938,168.65