Finding the Third Proportional to 202,543.50 and 436,251

Step by Step Solution

1. Step 1: Write the proportion equation
   202,543.50 : 436,251 = 436,251 : x
2. Step 2: Convert to fraction form
   202,543.50/436,251 = 436,251/x
3. Step 3: Cross multiply
   202,543.50x = 436,251 × 436,251
4. Step 4: Simplify right side
   202,543.50x = 190,314,935,001
5. Step 5: Solve for x
   x = 190,314,935,001/202,543.50
6. Step 6: Final answer
   x = 939,624.99