Finding the Third Proportional to 93,511 and 200,153

Step by Step Solution

1. Step 1: Write the proportion equation
   93,511 : 200,153 = 200,153 : x
2. Step 2: Convert to fraction form
   93,511/200,153 = 200,153/x
3. Step 3: Cross multiply
   93,511x = 200,153 × 200,153
4. Step 4: Simplify right side
   93,511x = 40,061,223,409
5. Step 5: Solve for x
   x = 40,061,223,409/93,511
6. Step 6: Final answer
   x = 428,411.88