Finding the Third Proportional to 191,715 and 416,550

Step by Step Solution

1. Step 1: Write the proportion equation
   191,715 : 416,550 = 416,550 : x
2. Step 2: Convert to fraction form
   191,715/416,550 = 416,550/x
3. Step 3: Cross multiply
   191,715x = 416,550 × 416,550
4. Step 4: Simplify right side
   191,715x = 173,513,902,500
5. Step 5: Solve for x
   x = 173,513,902,500/191,715
6. Step 6: Final answer
   x = 905,061.69