Finding the Third Proportional to 722,688 and 1,526,772

Step by Step Solution

1. Step 1: Write the proportion equation
   722,688 : 1,526,772 = 1,526,772 : x
2. Step 2: Convert to fraction form
   722,688/1,526,772 = 1,526,772/x
3. Step 3: Cross multiply
   722,688x = 1,526,772 × 1,526,772
4. Step 4: Simplify right side
   722,688x = 2,331,032,739,984
5. Step 5: Solve for x
   x = 2,331,032,739,984/722,688
6. Step 6: Final answer
   x = 3,225,503.59