Finding the Third Proportional to 19,804,938.75 and 42,538,336.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,804,938.75 : 42,538,336.31 = 42,538,336.31 : x
2. Step 2: Convert to fraction form
   19,804,938.75/42,538,336.31 = 42,538,336.31/x
3. Step 3: Cross multiply
   19,804,938.75x = 42,538,336.31 × 42,538,336.31
4. Step 4: Simplify right side
   19,804,938.75x = 1,809,510,056,235,356
5. Step 5: Solve for x
   x = 1,809,510,056,235,356/19,804,938.75
6. Step 6: Final answer
   x = 91,366,607.04