Finding the Third Proportional to 762,280 and 1,609,123

Step by Step Solution

1. Step 1: Write the proportion equation
   762,280 : 1,609,123 = 1,609,123 : x
2. Step 2: Convert to fraction form
   762,280/1,609,123 = 1,609,123/x
3. Step 3: Cross multiply
   762,280x = 1,609,123 × 1,609,123
4. Step 4: Simplify right side
   762,280x = 2,589,276,829,129
5. Step 5: Solve for x
   x = 2,589,276,829,129/762,280
6. Step 6: Final answer
   x = 3,396,752.94