Finding the Third Proportional to 91,730.25 and 191,783.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,730.25 : 191,783.25 = 191,783.25 : x
2. Step 2: Convert to fraction form
   91,730.25/191,783.25 = 191,783.25/x
3. Step 3: Cross multiply
   91,730.25x = 191,783.25 × 191,783.25
4. Step 4: Simplify right side
   91,730.25x = 36,780,814,980.56
5. Step 5: Solve for x
   x = 36,780,814,980.56/91,730.25
6. Step 6: Final answer
   x = 400,967.13