Finding the Third Proportional to 21,221,826 and 43,224,042

Step by Step Solution

1. Step 1: Write the proportion equation
   21,221,826 : 43,224,042 = 43,224,042 : x
2. Step 2: Convert to fraction form
   21,221,826/43,224,042 = 43,224,042/x
3. Step 3: Cross multiply
   21,221,826x = 43,224,042 × 43,224,042
4. Step 4: Simplify right side
   21,221,826x = 1,868,317,806,817,764
5. Step 5: Solve for x
   x = 1,868,317,806,817,764/21,221,826
6. Step 6: Final answer
   x = 88,037,561.27