Finding the Third Proportional to 591,563,412 and 1,276,659,144

Step by Step Solution

1. Step 1: Write the proportion equation
   591,563,412 : 1,276,659,144 = 1,276,659,144 : x
2. Step 2: Convert to fraction form
   591,563,412/1,276,659,144 = 1,276,659,144/x
3. Step 3: Cross multiply
   591,563,412x = 1,276,659,144 × 1,276,659,144
4. Step 4: Simplify right side
   591,563,412x = 1,629,858,569,958,812,672
5. Step 5: Solve for x
   x = 1,629,858,569,958,812,672/591,563,412
6. Step 6: Final answer
   x = 2,755,171,359.31