Finding the Third Proportional to 99,026.72 and 213,834.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,026.72 : 213,834.94 = 213,834.94 : x
2. Step 2: Convert to fraction form
   99,026.72/213,834.94 = 213,834.94/x
3. Step 3: Cross multiply
   99,026.72x = 213,834.94 × 213,834.94
4. Step 4: Simplify right side
   99,026.72x = 45,725,380,495.63
5. Step 5: Solve for x
   x = 45,725,380,495.63/99,026.72
6. Step 6: Final answer
   x = 461,747.91