Finding the Third Proportional to 191,570 and 416,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,570 : 416,299.50 = 416,299.50 : x
2. Step 2: Convert to fraction form
   191,570/416,299.50 = 416,299.50/x
3. Step 3: Cross multiply
   191,570x = 416,299.50 × 416,299.50
4. Step 4: Simplify right side
   191,570x = 173,305,273,700.25
5. Step 5: Solve for x
   x = 173,305,273,700.25/191,570
6. Step 6: Final answer
   x = 904,657.69