Finding the Third Proportional to 336,698.50 and 748,135

Step by Step Solution

1. Step 1: Write the proportion equation
   336,698.50 : 748,135 = 748,135 : x
2. Step 2: Convert to fraction form
   336,698.50/748,135 = 748,135/x
3. Step 3: Cross multiply
   336,698.50x = 748,135 × 748,135
4. Step 4: Simplify right side
   336,698.50x = 559,705,978,225
5. Step 5: Solve for x
   x = 559,705,978,225/336,698.50
6. Step 6: Final answer
   x = 1,662,335.82