Finding the Third Proportional to 17,890,380 and 38,613,384

Step by Step Solution

1. Step 1: Write the proportion equation
   17,890,380 : 38,613,384 = 38,613,384 : x
2. Step 2: Convert to fraction form
   17,890,380/38,613,384 = 38,613,384/x
3. Step 3: Cross multiply
   17,890,380x = 38,613,384 × 38,613,384
4. Step 4: Simplify right side
   17,890,380x = 1,490,993,423,931,456
5. Step 5: Solve for x
   x = 1,490,993,423,931,456/17,890,380
6. Step 6: Final answer
   x = 83,340,511.71