Finding the Third Proportional to 722,499.75 and 1,573,698.38

Step by Step Solution

1. Step 1: Write the proportion equation
   722,499.75 : 1,573,698.38 = 1,573,698.38 : x
2. Step 2: Convert to fraction form
   722,499.75/1,573,698.38 = 1,573,698.38/x
3. Step 3: Cross multiply
   722,499.75x = 1,573,698.38 × 1,573,698.38
4. Step 4: Simplify right side
   722,499.75x = 2,476,526,575,477.64
5. Step 5: Solve for x
   x = 2,476,526,575,477.64/722,499.75
6. Step 6: Final answer
   x = 3,427,719.63