Finding the Third Proportional to 5,827,145 and 12,688,810

Step by Step Solution

1. Step 1: Write the proportion equation
   5,827,145 : 12,688,810 = 12,688,810 : x
2. Step 2: Convert to fraction form
   5,827,145/12,688,810 = 12,688,810/x
3. Step 3: Cross multiply
   5,827,145x = 12,688,810 × 12,688,810
4. Step 4: Simplify right side
   5,827,145x = 161,005,899,216,100
5. Step 5: Solve for x
   x = 161,005,899,216,100/5,827,145
6. Step 6: Final answer
   x = 27,630,323.12