Finding the Third Proportional to 10,151,461 and 21,920,889

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,461 : 21,920,889 = 21,920,889 : x
2. Step 2: Convert to fraction form
   10,151,461/21,920,889 = 21,920,889/x
3. Step 3: Cross multiply
   10,151,461x = 21,920,889 × 21,920,889
4. Step 4: Simplify right side
   10,151,461x = 480,525,374,550,321
5. Step 5: Solve for x
   x = 480,525,374,550,321/10,151,461
6. Step 6: Final answer
   x = 47,335,587.91