Finding the Third Proportional to 16,847,280 and 36,384,516

Step by Step Solution

1. Step 1: Write the proportion equation
   16,847,280 : 36,384,516 = 36,384,516 : x
2. Step 2: Convert to fraction form
   16,847,280/36,384,516 = 36,384,516/x
3. Step 3: Cross multiply
   16,847,280x = 36,384,516 × 36,384,516
4. Step 4: Simplify right side
   16,847,280x = 1,323,833,004,554,256
5. Step 5: Solve for x
   x = 1,323,833,004,554,256/16,847,280
6. Step 6: Final answer
   x = 78,578,441.42