Finding the Third Proportional to 17,726,320 and 38,558,453

Step by Step Solution

1. Step 1: Write the proportion equation
   17,726,320 : 38,558,453 = 38,558,453 : x
2. Step 2: Convert to fraction form
   17,726,320/38,558,453 = 38,558,453/x
3. Step 3: Cross multiply
   17,726,320x = 38,558,453 × 38,558,453
4. Step 4: Simplify right side
   17,726,320x = 1,486,754,297,753,209
5. Step 5: Solve for x
   x = 1,486,754,297,753,209/17,726,320
6. Step 6: Final answer
   x = 83,872,698.78