Finding the Third Proportional to 12,915,558 and 27,885,726

Step by Step Solution

1. Step 1: Write the proportion equation
   12,915,558 : 27,885,726 = 27,885,726 : x
2. Step 2: Convert to fraction form
   12,915,558/27,885,726 = 27,885,726/x
3. Step 3: Cross multiply
   12,915,558x = 27,885,726 × 27,885,726
4. Step 4: Simplify right side
   12,915,558x = 777,613,714,547,076
5. Step 5: Solve for x
   x = 777,613,714,547,076/12,915,558
6. Step 6: Final answer
   x = 60,207,519.84