Finding the Third Proportional to 17,686,513 and 28,124,116

Step by Step Solution

1. Step 1: Write the proportion equation
   17,686,513 : 28,124,116 = 28,124,116 : x
2. Step 2: Convert to fraction form
   17,686,513/28,124,116 = 28,124,116/x
3. Step 3: Cross multiply
   17,686,513x = 28,124,116 × 28,124,116
4. Step 4: Simplify right side
   17,686,513x = 790,965,900,781,456
5. Step 5: Solve for x
   x = 790,965,900,781,456/17,686,513
6. Step 6: Final answer
   x = 44,721,415.74