Finding the Third Proportional to 21,686,644 and 45,609,776

Step by Step Solution

1. Step 1: Write the proportion equation
   21,686,644 : 45,609,776 = 45,609,776 : x
2. Step 2: Convert to fraction form
   21,686,644/45,609,776 = 45,609,776/x
3. Step 3: Cross multiply
   21,686,644x = 45,609,776 × 45,609,776
4. Step 4: Simplify right side
   21,686,644x = 2,080,251,666,770,176
5. Step 5: Solve for x
   x = 2,080,251,666,770,176/21,686,644
6. Step 6: Final answer
   x = 95,923,171.27