Finding the Third Proportional to 13,078,614 and 21,535,305

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078,614 : 21,535,305 = 21,535,305 : x
2. Step 2: Convert to fraction form
   13,078,614/21,535,305 = 21,535,305/x
3. Step 3: Cross multiply
   13,078,614x = 21,535,305 × 21,535,305
4. Step 4: Simplify right side
   13,078,614x = 463,769,361,443,025
5. Step 5: Solve for x
   x = 463,769,361,443,025/13,078,614
6. Step 6: Final answer
   x = 35,460,130.67