Finding the Third Proportional to 9,781,479 and 21,452,526

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,479 : 21,452,526 = 21,452,526 : x
2. Step 2: Convert to fraction form
   9,781,479/21,452,526 = 21,452,526/x
3. Step 3: Cross multiply
   9,781,479x = 21,452,526 × 21,452,526
4. Step 4: Simplify right side
   9,781,479x = 460,210,871,780,676
5. Step 5: Solve for x
   x = 460,210,871,780,676/9,781,479
6. Step 6: Final answer
   x = 47,049,211.25