Finding the Third Proportional to 200,688 and 267,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,688 : 267,682.50 = 267,682.50 : x
2. Step 2: Convert to fraction form
   200,688/267,682.50 = 267,682.50/x
3. Step 3: Cross multiply
   200,688x = 267,682.50 × 267,682.50
4. Step 4: Simplify right side
   200,688x = 71,653,920,806.25
5. Step 5: Solve for x
   x = 71,653,920,806.25/200,688
6. Step 6: Final answer
   x = 357,041.38