Finding the Third Proportional to 12,913,899 and 28,097,748

Step by Step Solution

1. Step 1: Write the proportion equation
   12,913,899 : 28,097,748 = 28,097,748 : x
2. Step 2: Convert to fraction form
   12,913,899/28,097,748 = 28,097,748/x
3. Step 3: Cross multiply
   12,913,899x = 28,097,748 × 28,097,748
4. Step 4: Simplify right side
   12,913,899x = 789,483,442,671,504
5. Step 5: Solve for x
   x = 789,483,442,671,504/12,913,899
6. Step 6: Final answer
   x = 61,134,398.11