Finding the Third Proportional to 336,697.50 and 748,134

Step by Step Solution

1. Step 1: Write the proportion equation
   336,697.50 : 748,134 = 748,134 : x
2. Step 2: Convert to fraction form
   336,697.50/748,134 = 748,134/x
3. Step 3: Cross multiply
   336,697.50x = 748,134 × 748,134
4. Step 4: Simplify right side
   336,697.50x = 559,704,481,956
5. Step 5: Solve for x
   x = 559,704,481,956/336,697.50
6. Step 6: Final answer
   x = 1,662,336.32