Finding the Third Proportional to 98,302.50 and 210,942

Step by Step Solution

1. Step 1: Write the proportion equation
   98,302.50 : 210,942 = 210,942 : x
2. Step 2: Convert to fraction form
   98,302.50/210,942 = 210,942/x
3. Step 3: Cross multiply
   98,302.50x = 210,942 × 210,942
4. Step 4: Simplify right side
   98,302.50x = 44,496,527,364
5. Step 5: Solve for x
   x = 44,496,527,364/98,302.50
6. Step 6: Final answer
   x = 452,648.99