Finding the Third Proportional to 12,932,315 and 21,552,938

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932,315 : 21,552,938 = 21,552,938 : x
2. Step 2: Convert to fraction form
   12,932,315/21,552,938 = 21,552,938/x
3. Step 3: Cross multiply
   12,932,315x = 21,552,938 × 21,552,938
4. Step 4: Simplify right side
   12,932,315x = 464,529,136,431,844
5. Step 5: Solve for x
   x = 464,529,136,431,844/12,932,315
6. Step 6: Final answer
   x = 35,920,029.51