Finding the Third Proportional to 45,774,264 and 64,152,512

Step by Step Solution

1. Step 1: Write the proportion equation
   45,774,264 : 64,152,512 = 64,152,512 : x
2. Step 2: Convert to fraction form
   45,774,264/64,152,512 = 64,152,512/x
3. Step 3: Cross multiply
   45,774,264x = 64,152,512 × 64,152,512
4. Step 4: Simplify right side
   45,774,264x = 4,115,544,795,910,144
5. Step 5: Solve for x
   x = 4,115,544,795,910,144/45,774,264
6. Step 6: Final answer
   x = 89,909,578.80