Finding the Third Proportional to 8,531,126 and 13,081,830

Step by Step Solution

1. Step 1: Write the proportion equation
   8,531,126 : 13,081,830 = 13,081,830 : x
2. Step 2: Convert to fraction form
   8,531,126/13,081,830 = 13,081,830/x
3. Step 3: Cross multiply
   8,531,126x = 13,081,830 × 13,081,830
4. Step 4: Simplify right side
   8,531,126x = 171,134,276,148,900
5. Step 5: Solve for x
   x = 171,134,276,148,900/8,531,126
6. Step 6: Final answer
   x = 20,059,986.94