Finding the Third Proportional to 99,035 and 213,850

Step by Step Solution

1. Step 1: Write the proportion equation
   99,035 : 213,850 = 213,850 : x
2. Step 2: Convert to fraction form
   99,035/213,850 = 213,850/x
3. Step 3: Cross multiply
   99,035x = 213,850 × 213,850
4. Step 4: Simplify right side
   99,035x = 45,731,822,500
5. Step 5: Solve for x
   x = 45,731,822,500/99,035
6. Step 6: Final answer
   x = 461,774.35