Finding the Third Proportional to 12,931,992.56 and 21,552,459.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,931,992.56 : 21,552,459.75 = 21,552,459.75 : x
2. Step 2: Convert to fraction form
   12,931,992.56/21,552,459.75 = 21,552,459.75/x
3. Step 3: Cross multiply
   12,931,992.56x = 21,552,459.75 × 21,552,459.75
4. Step 4: Simplify right side
   12,931,992.56x = 464,508,521,275,370.06
5. Step 5: Solve for x
   x = 464,508,521,275,370.06/12,931,992.56
6. Step 6: Final answer
   x = 35,919,330.99