Finding the Third Proportional to 13,612,185 and 21,087,501

Step by Step Solution

1. Step 1: Write the proportion equation
   13,612,185 : 21,087,501 = 21,087,501 : x
2. Step 2: Convert to fraction form
   13,612,185/21,087,501 = 21,087,501/x
3. Step 3: Cross multiply
   13,612,185x = 21,087,501 × 21,087,501
4. Step 4: Simplify right side
   13,612,185x = 444,682,698,425,001
5. Step 5: Solve for x
   x = 444,682,698,425,001/13,612,185
6. Step 6: Final answer
   x = 32,667,988.16