Finding the Third Proportional to 17,726,276 and 38,558,380

Step by Step Solution

1. Step 1: Write the proportion equation
   17,726,276 : 38,558,380 = 38,558,380 : x
2. Step 2: Convert to fraction form
   17,726,276/38,558,380 = 38,558,380/x
3. Step 3: Cross multiply
   17,726,276x = 38,558,380 × 38,558,380
4. Step 4: Simplify right side
   17,726,276x = 1,486,748,668,224,400
5. Step 5: Solve for x
   x = 1,486,748,668,224,400/17,726,276
6. Step 6: Final answer
   x = 83,872,589.38