Finding the Third Proportional to 1,008,921 and 1,681,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,921 : 1,681,532.50 = 1,681,532.50 : x
2. Step 2: Convert to fraction form
   1,008,921/1,681,532.50 = 1,681,532.50/x
3. Step 3: Cross multiply
   1,008,921x = 1,681,532.50 × 1,681,532.50
4. Step 4: Simplify right side
   1,008,921x = 2,827,551,548,556.25
5. Step 5: Solve for x
   x = 2,827,551,548,556.25/1,008,921
6. Step 6: Final answer
   x = 2,802,550.00