Finding the Third Proportional to 191,340 and 418,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,340 : 418,933.50 = 418,933.50 : x
2. Step 2: Convert to fraction form
   191,340/418,933.50 = 418,933.50/x
3. Step 3: Cross multiply
   191,340x = 418,933.50 × 418,933.50
4. Step 4: Simplify right side
   191,340x = 175,505,277,422.25
5. Step 5: Solve for x
   x = 175,505,277,422.25/191,340
6. Step 6: Final answer
   x = 917,243.01