Finding the Third Proportional to 28,882,872 and 63,434,736

Step by Step Solution

1. Step 1: Write the proportion equation
   28,882,872 : 63,434,736 = 63,434,736 : x
2. Step 2: Convert to fraction form
   28,882,872/63,434,736 = 63,434,736/x
3. Step 3: Cross multiply
   28,882,872x = 63,434,736 × 63,434,736
4. Step 4: Simplify right side
   28,882,872x = 4,023,965,731,389,696
5. Step 5: Solve for x
   x = 4,023,965,731,389,696/28,882,872
6. Step 6: Final answer
   x = 139,320,138.64