Finding the Third Proportional to 20,447,535 and 43,767,978

Step by Step Solution

1. Step 1: Write the proportion equation
   20,447,535 : 43,767,978 = 43,767,978 : x
2. Step 2: Convert to fraction form
   20,447,535/43,767,978 = 43,767,978/x
3. Step 3: Cross multiply
   20,447,535x = 43,767,978 × 43,767,978
4. Step 4: Simplify right side
   20,447,535x = 1,915,635,898,208,484
5. Step 5: Solve for x
   x = 1,915,635,898,208,484/20,447,535
6. Step 6: Final answer
   x = 93,685,419.70