Finding the Third Proportional to 342,515 and 735,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,515 : 735,529.50 = 735,529.50 : x
2. Step 2: Convert to fraction form
   342,515/735,529.50 = 735,529.50/x
3. Step 3: Cross multiply
   342,515x = 735,529.50 × 735,529.50
4. Step 4: Simplify right side
   342,515x = 541,003,645,370.25
5. Step 5: Solve for x
   x = 541,003,645,370.25/342,515
6. Step 6: Final answer
   x = 1,579,503.51