Finding the Third Proportional to 1,005,581.25 and 1,406,615.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,581.25 : 1,406,615.63 = 1,406,615.63 : x
2. Step 2: Convert to fraction form
   1,005,581.25/1,406,615.63 = 1,406,615.63/x
3. Step 3: Cross multiply
   1,005,581.25x = 1,406,615.63 × 1,406,615.63
4. Step 4: Simplify right side
   1,005,581.25x = 1,978,567,516,494.14
5. Step 5: Solve for x
   x = 1,978,567,516,494.14/1,005,581.25
6. Step 6: Final answer
   x = 1,967,585.93