Finding the Third Proportional to 710,640 and 1,526,688

Step by Step Solution

1. Step 1: Write the proportion equation
   710,640 : 1,526,688 = 1,526,688 : x
2. Step 2: Convert to fraction form
   710,640/1,526,688 = 1,526,688/x
3. Step 3: Cross multiply
   710,640x = 1,526,688 × 1,526,688
4. Step 4: Simplify right side
   710,640x = 2,330,776,249,344
5. Step 5: Solve for x
   x = 2,330,776,249,344/710,640
6. Step 6: Final answer
   x = 3,279,826.99