Finding the Third Proportional to 13,128,996 and 21,094,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128,996 : 21,094,780.50 = 21,094,780.50 : x
2. Step 2: Convert to fraction form
   13,128,996/21,094,780.50 = 21,094,780.50/x
3. Step 3: Cross multiply
   13,128,996x = 21,094,780.50 × 21,094,780.50
4. Step 4: Simplify right side
   13,128,996x = 444,989,764,343,180.25
5. Step 5: Solve for x
   x = 444,989,764,343,180.25/13,128,996
6. Step 6: Final answer
   x = 33,893,662.88