Finding the Third Proportional to 999,904,686 and 2,175,833,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   999,904,686 : 2,175,833,008.50 = 2,175,833,008.50 : x
2. Step 2: Convert to fraction form
   999,904,686/2,175,833,008.50 = 2,175,833,008.50/x
3. Step 3: Cross multiply
   999,904,686x = 2,175,833,008.50 × 2,175,833,008.50
4. Step 4: Simplify right side
   999,904,686x = 4,734,249,280,878,160,896
5. Step 5: Solve for x
   x = 4,734,249,280,878,160,896/999,904,686
6. Step 6: Final answer
   x = 4,734,700,564.13