Finding the Third Proportional to 13,263,132 and 21,090,366

Step by Step Solution

1. Step 1: Write the proportion equation
   13,263,132 : 21,090,366 = 21,090,366 : x
2. Step 2: Convert to fraction form
   13,263,132/21,090,366 = 21,090,366/x
3. Step 3: Cross multiply
   13,263,132x = 21,090,366 × 21,090,366
4. Step 4: Simplify right side
   13,263,132x = 444,803,538,013,956
5. Step 5: Solve for x
   x = 444,803,538,013,956/13,263,132
6. Step 6: Final answer
   x = 33,536,840.17