Finding the Third Proportional to 666,339.63 and 1,023,570.69

Step by Step Solution

1. Step 1: Write the proportion equation
   666,339.63 : 1,023,570.69 = 1,023,570.69 : x
2. Step 2: Convert to fraction form
   666,339.63/1,023,570.69 = 1,023,570.69/x
3. Step 3: Cross multiply
   666,339.63x = 1,023,570.69 × 1,023,570.69
4. Step 4: Simplify right side
   666,339.63x = 1,047,696,952,309.22
5. Step 5: Solve for x
   x = 1,047,696,952,309.22/666,339.63
6. Step 6: Final answer
   x = 1,572,316.75