Finding the Third Proportional to 10,072,146 and 21,580,146

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072,146 : 21,580,146 = 21,580,146 : x
2. Step 2: Convert to fraction form
   10,072,146/21,580,146 = 21,580,146/x
3. Step 3: Cross multiply
   10,072,146x = 21,580,146 × 21,580,146
4. Step 4: Simplify right side
   10,072,146x = 465,702,701,381,316
5. Step 5: Solve for x
   x = 465,702,701,381,316/10,072,146
6. Step 6: Final answer
   x = 46,236,690.91