Finding the Third Proportional to 8,216,154 and 17,731,368

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,154 : 17,731,368 = 17,731,368 : x
2. Step 2: Convert to fraction form
   8,216,154/17,731,368 = 17,731,368/x
3. Step 3: Cross multiply
   8,216,154x = 17,731,368 × 17,731,368
4. Step 4: Simplify right side
   8,216,154x = 314,401,411,151,424
5. Step 5: Solve for x
   x = 314,401,411,151,424/8,216,154
6. Step 6: Final answer
   x = 38,266,250.99