Finding the Third Proportional to 9,090,154 and 19,597,172

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,154 : 19,597,172 = 19,597,172 : x
2. Step 2: Convert to fraction form
   9,090,154/19,597,172 = 19,597,172/x
3. Step 3: Cross multiply
   9,090,154x = 19,597,172 × 19,597,172
4. Step 4: Simplify right side
   9,090,154x = 384,049,150,397,584
5. Step 5: Solve for x
   x = 384,049,150,397,584/9,090,154
6. Step 6: Final answer
   x = 42,248,915.74