Finding the Third Proportional to 780,143,132 and 1,069,765,788

Step by Step Solution

1. Step 1: Write the proportion equation
   780,143,132 : 1,069,765,788 = 1,069,765,788 : x
2. Step 2: Convert to fraction form
   780,143,132/1,069,765,788 = 1,069,765,788/x
3. Step 3: Cross multiply
   780,143,132x = 1,069,765,788 × 1,069,765,788
4. Step 4: Simplify right side
   780,143,132x = 1,144,398,841,175,260,928
5. Step 5: Solve for x
   x = 1,144,398,841,175,260,928/780,143,132
6. Step 6: Final answer
   x = 1,466,908,819.98