Finding the Third Proportional to 8,216,160 and 17,731,380

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,160 : 17,731,380 = 17,731,380 : x
2. Step 2: Convert to fraction form
   8,216,160/17,731,380 = 17,731,380/x
3. Step 3: Cross multiply
   8,216,160x = 17,731,380 × 17,731,380
4. Step 4: Simplify right side
   8,216,160x = 314,401,836,704,400
5. Step 5: Solve for x
   x = 314,401,836,704,400/8,216,160
6. Step 6: Final answer
   x = 38,266,274.84