Finding the Third Proportional to 2,539,607.25 and 5,423,636.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539,607.25 : 5,423,636.25 = 5,423,636.25 : x
2. Step 2: Convert to fraction form
   2,539,607.25/5,423,636.25 = 5,423,636.25/x
3. Step 3: Cross multiply
   2,539,607.25x = 5,423,636.25 × 5,423,636.25
4. Step 4: Simplify right side
   2,539,607.25x = 29,415,830,172,314.06
5. Step 5: Solve for x
   x = 29,415,830,172,314.06/2,539,607.25
6. Step 6: Final answer
   x = 11,582,826.51