Finding the Third Proportional to 722,695.50 and 1,574,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   722,695.50 : 1,574,059.50 = 1,574,059.50 : x
2. Step 2: Convert to fraction form
   722,695.50/1,574,059.50 = 1,574,059.50/x
3. Step 3: Cross multiply
   722,695.50x = 1,574,059.50 × 1,574,059.50
4. Step 4: Simplify right side
   722,695.50x = 2,477,663,309,540.25
5. Step 5: Solve for x
   x = 2,477,663,309,540.25/722,695.50
6. Step 6: Final answer
   x = 3,428,364.10