Finding the Third Proportional to 4,088,438 and 8,892,748

Step by Step Solution

1. Step 1: Write the proportion equation
   4,088,438 : 8,892,748 = 8,892,748 : x
2. Step 2: Convert to fraction form
   4,088,438/8,892,748 = 8,892,748/x
3. Step 3: Cross multiply
   4,088,438x = 8,892,748 × 8,892,748
4. Step 4: Simplify right side
   4,088,438x = 79,080,966,991,504
5. Step 5: Solve for x
   x = 79,080,966,991,504/4,088,438
6. Step 6: Final answer
   x = 19,342,586.82