Finding the Third Proportional to 13,310,472 and 28,638,488

Step by Step Solution

1. Step 1: Write the proportion equation
   13,310,472 : 28,638,488 = 28,638,488 : x
2. Step 2: Convert to fraction form
   13,310,472/28,638,488 = 28,638,488/x
3. Step 3: Cross multiply
   13,310,472x = 28,638,488 × 28,638,488
4. Step 4: Simplify right side
   13,310,472x = 820,162,994,926,144
5. Step 5: Solve for x
   x = 820,162,994,926,144/13,310,472
6. Step 6: Final answer
   x = 61,617,874.63