Finding the Third Proportional to 436,791 and 658,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,791 : 658,264.50 = 658,264.50 : x
2. Step 2: Convert to fraction form
   436,791/658,264.50 = 658,264.50/x
3. Step 3: Cross multiply
   436,791x = 658,264.50 × 658,264.50
4. Step 4: Simplify right side
   436,791x = 433,312,151,960.25
5. Step 5: Solve for x
   x = 433,312,151,960.25/436,791
6. Step 6: Final answer
   x = 992,035.44