Finding the Third Proportional to 42,472,618 and 65,586,546

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472,618 : 65,586,546 = 65,586,546 : x
2. Step 2: Convert to fraction form
   42,472,618/65,586,546 = 65,586,546/x
3. Step 3: Cross multiply
   42,472,618x = 65,586,546 × 65,586,546
4. Step 4: Simplify right side
   42,472,618x = 4,301,595,016,210,116
5. Step 5: Solve for x
   x = 4,301,595,016,210,116/42,472,618
6. Step 6: Final answer
   x = 101,279,252.82