Finding the Third Proportional to 4,136,319 and 8,936,730

Step by Step Solution

1. Step 1: Write the proportion equation
   4,136,319 : 8,936,730 = 8,936,730 : x
2. Step 2: Convert to fraction form
   4,136,319/8,936,730 = 8,936,730/x
3. Step 3: Cross multiply
   4,136,319x = 8,936,730 × 8,936,730
4. Step 4: Simplify right side
   4,136,319x = 79,865,143,092,900
5. Step 5: Solve for x
   x = 79,865,143,092,900/4,136,319
6. Step 6: Final answer
   x = 19,308,264.93