Finding the Third Proportional to 17,499,972 and 27,389,790

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499,972 : 27,389,790 = 27,389,790 : x
2. Step 2: Convert to fraction form
   17,499,972/27,389,790 = 27,389,790/x
3. Step 3: Cross multiply
   17,499,972x = 27,389,790 × 27,389,790
4. Step 4: Simplify right side
   17,499,972x = 750,200,596,244,100
5. Step 5: Solve for x
   x = 750,200,596,244,100/17,499,972
6. Step 6: Final answer
   x = 42,868,674.09