Finding the Third Proportional to 17,991,174 and 27,636,415

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991,174 : 27,636,415 = 27,636,415 : x
2. Step 2: Convert to fraction form
   17,991,174/27,636,415 = 27,636,415/x
3. Step 3: Cross multiply
   17,991,174x = 27,636,415 × 27,636,415
4. Step 4: Simplify right side
   17,991,174x = 763,771,434,052,225
5. Step 5: Solve for x
   x = 763,771,434,052,225/17,991,174
6. Step 6: Final answer
   x = 42,452,562.24