Finding the Third Proportional to 90,065.25 and 194,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,065.25 : 194,047.50 = 194,047.50 : x
2. Step 2: Convert to fraction form
   90,065.25/194,047.50 = 194,047.50/x
3. Step 3: Cross multiply
   90,065.25x = 194,047.50 × 194,047.50
4. Step 4: Simplify right side
   90,065.25x = 37,654,432,256.25
5. Step 5: Solve for x
   x = 37,654,432,256.25/90,065.25
6. Step 6: Final answer
   x = 418,079.47