Finding the Third Proportional to 12,988,045.69 and 28,236,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988,045.69 : 28,236,730.50 = 28,236,730.50 : x
2. Step 2: Convert to fraction form
   12,988,045.69/28,236,730.50 = 28,236,730.50/x
3. Step 3: Cross multiply
   12,988,045.69x = 28,236,730.50 × 28,236,730.50
4. Step 4: Simplify right side
   12,988,045.69x = 797,312,949,329,630.25
5. Step 5: Solve for x
   x = 797,312,949,329,630.25/12,988,045.69
6. Step 6: Final answer
   x = 61,388,215.63