Finding the Third Proportional to 17,911,509 and 38,864,042

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911,509 : 38,864,042 = 38,864,042 : x
2. Step 2: Convert to fraction form
   17,911,509/38,864,042 = 38,864,042/x
3. Step 3: Cross multiply
   17,911,509x = 38,864,042 × 38,864,042
4. Step 4: Simplify right side
   17,911,509x = 1,510,413,760,577,764
5. Step 5: Solve for x
   x = 1,510,413,760,577,764/17,911,509
6. Step 6: Final answer
   x = 84,326,438.41