Finding the Third Proportional to 13,909,068 and 21,276,648

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909,068 : 21,276,648 = 21,276,648 : x
2. Step 2: Convert to fraction form
   13,909,068/21,276,648 = 21,276,648/x
3. Step 3: Cross multiply
   13,909,068x = 21,276,648 × 21,276,648
4. Step 4: Simplify right side
   13,909,068x = 452,695,750,115,904
5. Step 5: Solve for x
   x = 452,695,750,115,904/13,909,068
6. Step 6: Final answer
   x = 32,546,806.88