Finding the Third Proportional to 13,909,118 and 21,276,726

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909,118 : 21,276,726 = 21,276,726 : x
2. Step 2: Convert to fraction form
   13,909,118/21,276,726 = 21,276,726/x
3. Step 3: Cross multiply
   13,909,118x = 21,276,726 × 21,276,726
4. Step 4: Simplify right side
   13,909,118x = 452,699,069,279,076
5. Step 5: Solve for x
   x = 452,699,069,279,076/13,909,118
6. Step 6: Final answer
   x = 32,546,928.52