Finding the Third Proportional to 12,956,390 and 28,353,484

Step by Step Solution

1. Step 1: Write the proportion equation
   12,956,390 : 28,353,484 = 28,353,484 : x
2. Step 2: Convert to fraction form
   12,956,390/28,353,484 = 28,353,484/x
3. Step 3: Cross multiply
   12,956,390x = 28,353,484 × 28,353,484
4. Step 4: Simplify right side
   12,956,390x = 803,920,054,938,256
5. Step 5: Solve for x
   x = 803,920,054,938,256/12,956,390
6. Step 6: Final answer
   x = 62,048,151.91