Finding the Third Proportional to 19,804,982.25 and 42,538,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,804,982.25 : 42,538,428.75 = 42,538,428.75 : x
2. Step 2: Convert to fraction form
   19,804,982.25/42,538,428.75 = 42,538,428.75/x
3. Step 3: Cross multiply
   19,804,982.25x = 42,538,428.75 × 42,538,428.75
4. Step 4: Simplify right side
   19,804,982.25x = 1,809,517,920,518,826.50
5. Step 5: Solve for x
   x = 1,809,517,920,518,826.50/19,804,982.25
6. Step 6: Final answer
   x = 91,366,803.45