Finding the Third Proportional to 766,643,064 and 1,667,609,920

Step by Step Solution

1. Step 1: Write the proportion equation
   766,643,064 : 1,667,609,920 = 1,667,609,920 : x
2. Step 2: Convert to fraction form
   766,643,064/1,667,609,920 = 1,667,609,920/x
3. Step 3: Cross multiply
   766,643,064x = 1,667,609,920 × 1,667,609,920
4. Step 4: Simplify right side
   766,643,064x = 2,780,922,845,282,406,400
5. Step 5: Solve for x
   x = 2,780,922,845,282,406,400/766,643,064
6. Step 6: Final answer
   x = 3,627,402,341.28