Finding the Third Proportional to 816,426,281.81 and 1,260,738,044.72

Step by Step Solution

1. Step 1: Write the proportion equation
   816,426,281.81 : 1,260,738,044.72 = 1,260,738,044.72 : x
2. Step 2: Convert to fraction form
   816,426,281.81/1,260,738,044.72 = 1,260,738,044.72/x
3. Step 3: Cross multiply
   816,426,281.81x = 1,260,738,044.72 × 1,260,738,044.72
4. Step 4: Simplify right side
   816,426,281.81x = 1,589,460,417,401,383,168
5. Step 5: Solve for x
   x = 1,589,460,417,401,383,168/816,426,281.81
6. Step 6: Final answer
   x = 1,946,851,115.42