Finding the Third Proportional to 356,130 and 725,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,130 : 725,446.50 = 725,446.50 : x
2. Step 2: Convert to fraction form
   356,130/725,446.50 = 725,446.50/x
3. Step 3: Cross multiply
   356,130x = 725,446.50 × 725,446.50
4. Step 4: Simplify right side
   356,130x = 526,272,624,362.25
5. Step 5: Solve for x
   x = 526,272,624,362.25/356,130
6. Step 6: Final answer
   x = 1,477,754.26