Finding the Third Proportional to 10,021,118 and 21,459,410

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021,118 : 21,459,410 = 21,459,410 : x
2. Step 2: Convert to fraction form
   10,021,118/21,459,410 = 21,459,410/x
3. Step 3: Cross multiply
   10,021,118x = 21,459,410 × 21,459,410
4. Step 4: Simplify right side
   10,021,118x = 460,506,277,548,100
5. Step 5: Solve for x
   x = 460,506,277,548,100/10,021,118
6. Step 6: Final answer
   x = 45,953,582.98