Finding the Third Proportional to 91,347.47 and 199,294.59

Step by Step Solution

1. Step 1: Write the proportion equation
   91,347.47 : 199,294.59 = 199,294.59 : x
2. Step 2: Convert to fraction form
   91,347.47/199,294.59 = 199,294.59/x
3. Step 3: Cross multiply
   91,347.47x = 199,294.59 × 199,294.59
4. Step 4: Simplify right side
   91,347.47x = 39,718,335,097.98
5. Step 5: Solve for x
   x = 39,718,335,097.98/91,347.47
6. Step 6: Final answer
   x = 434,804.99