Finding the Third Proportional to 9,113,749 and 21,513,863

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113,749 : 21,513,863 = 21,513,863 : x
2. Step 2: Convert to fraction form
   9,113,749/21,513,863 = 21,513,863/x
3. Step 3: Cross multiply
   9,113,749x = 21,513,863 × 21,513,863
4. Step 4: Simplify right side
   9,113,749x = 462,846,301,182,769
5. Step 5: Solve for x
   x = 462,846,301,182,769/9,113,749
6. Step 6: Final answer
   x = 50,785,500.15