Finding the Third Proportional to 91,108.13 and 200,147.63

Step by Step Solution

1. Step 1: Write the proportion equation
   91,108.13 : 200,147.63 = 200,147.63 : x
2. Step 2: Convert to fraction form
   91,108.13/200,147.63 = 200,147.63/x
3. Step 3: Cross multiply
   91,108.13x = 200,147.63 × 200,147.63
4. Step 4: Simplify right side
   91,108.13x = 40,059,071,793.14
5. Step 5: Solve for x
   x = 40,059,071,793.14/91,108.13
6. Step 6: Final answer
   x = 439,687.15