Finding the Third Proportional to 4,245,572 and 8,970,344

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245,572 : 8,970,344 = 8,970,344 : x
2. Step 2: Convert to fraction form
   4,245,572/8,970,344 = 8,970,344/x
3. Step 3: Cross multiply
   4,245,572x = 8,970,344 × 8,970,344
4. Step 4: Simplify right side
   4,245,572x = 80,467,071,478,336
5. Step 5: Solve for x
   x = 80,467,071,478,336/4,245,572
6. Step 6: Final answer
   x = 18,953,175.56