Finding the Third Proportional to 100,300.50 and 218,592

Step by Step Solution

1. Step 1: Write the proportion equation
   100,300.50 : 218,592 = 218,592 : x
2. Step 2: Convert to fraction form
   100,300.50/218,592 = 218,592/x
3. Step 3: Cross multiply
   100,300.50x = 218,592 × 218,592
4. Step 4: Simplify right side
   100,300.50x = 47,782,462,464
5. Step 5: Solve for x
   x = 47,782,462,464/100,300.50
6. Step 6: Final answer
   x = 476,393.06