Finding the Third Proportional to 436,538 and 652,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,538 : 652,118.50 = 652,118.50 : x
2. Step 2: Convert to fraction form
   436,538/652,118.50 = 652,118.50/x
3. Step 3: Cross multiply
   436,538x = 652,118.50 × 652,118.50
4. Step 4: Simplify right side
   436,538x = 425,258,538,042.25
5. Step 5: Solve for x
   x = 425,258,538,042.25/436,538
6. Step 6: Final answer
   x = 974,161.56