Finding the Third Proportional to 721,012.50 and 1,669,097.25

Step by Step Solution

1. Step 1: Write the proportion equation
   721,012.50 : 1,669,097.25 = 1,669,097.25 : x
2. Step 2: Convert to fraction form
   721,012.50/1,669,097.25 = 1,669,097.25/x
3. Step 3: Cross multiply
   721,012.50x = 1,669,097.25 × 1,669,097.25
4. Step 4: Simplify right side
   721,012.50x = 2,785,885,629,957.56
5. Step 5: Solve for x
   x = 2,785,885,629,957.56/721,012.50
6. Step 6: Final answer
   x = 3,863,852.06