Finding the Third Proportional to 717,516 and 1,561,152

Step by Step Solution

1. Step 1: Write the proportion equation
   717,516 : 1,561,152 = 1,561,152 : x
2. Step 2: Convert to fraction form
   717,516/1,561,152 = 1,561,152/x
3. Step 3: Cross multiply
   717,516x = 1,561,152 × 1,561,152
4. Step 4: Simplify right side
   717,516x = 2,437,195,567,104
5. Step 5: Solve for x
   x = 2,437,195,567,104/717,516
6. Step 6: Final answer
   x = 3,396,712.50