Finding the Third Proportional to 764,280 and 1,619,592

Step by Step Solution

1. Step 1: Write the proportion equation
   764,280 : 1,619,592 = 1,619,592 : x
2. Step 2: Convert to fraction form
   764,280/1,619,592 = 1,619,592/x
3. Step 3: Cross multiply
   764,280x = 1,619,592 × 1,619,592
4. Step 4: Simplify right side
   764,280x = 2,623,078,246,464
5. Step 5: Solve for x
   x = 2,623,078,246,464/764,280
6. Step 6: Final answer
   x = 3,432,090.66