Finding the Third Proportional to 436,897.50 and 662,112

Step by Step Solution

1. Step 1: Write the proportion equation
   436,897.50 : 662,112 = 662,112 : x
2. Step 2: Convert to fraction form
   436,897.50/662,112 = 662,112/x
3. Step 3: Cross multiply
   436,897.50x = 662,112 × 662,112
4. Step 4: Simplify right side
   436,897.50x = 438,392,300,544
5. Step 5: Solve for x
   x = 438,392,300,544/436,897.50
6. Step 6: Final answer
   x = 1,003,421.40