Finding the Third Proportional to 99,196.31 and 214,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,196.31 : 214,074.56 = 214,074.56 : x
2. Step 2: Convert to fraction form
   99,196.31/214,074.56 = 214,074.56/x
3. Step 3: Cross multiply
   99,196.31x = 214,074.56 × 214,074.56
4. Step 4: Simplify right side
   99,196.31x = 45,827,918,309.57
5. Step 5: Solve for x
   x = 45,827,918,309.57/99,196.31
6. Step 6: Final answer
   x = 461,992.16