Finding the Third Proportional to 10,986,555 and 23,864,550

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986,555 : 23,864,550 = 23,864,550 : x
2. Step 2: Convert to fraction form
   10,986,555/23,864,550 = 23,864,550/x
3. Step 3: Cross multiply
   10,986,555x = 23,864,550 × 23,864,550
4. Step 4: Simplify right side
   10,986,555x = 569,516,746,702,500
5. Step 5: Solve for x
   x = 569,516,746,702,500/10,986,555
6. Step 6: Final answer
   x = 51,837,609.40