Finding the Third Proportional to 13,612,616 and 21,088,164

Step by Step Solution

1. Step 1: Write the proportion equation
   13,612,616 : 21,088,164 = 21,088,164 : x
2. Step 2: Convert to fraction form
   13,612,616/21,088,164 = 21,088,164/x
3. Step 3: Cross multiply
   13,612,616x = 21,088,164 × 21,088,164
4. Step 4: Simplify right side
   13,612,616x = 444,710,660,890,896
5. Step 5: Solve for x
   x = 444,710,660,890,896/13,612,616
6. Step 6: Final answer
   x = 32,669,007.99