Finding the Third Proportional to 2,385,925,618.71 and 5,062,684,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385,925,618.71 : 5,062,684,864.78 = 5,062,684,864.78 : x
2. Step 2: Convert to fraction form
   2,385,925,618.71/5,062,684,864.78 = 5,062,684,864.78/x
3. Step 3: Cross multiply
   2,385,925,618.71x = 5,062,684,864.78 × 5,062,684,864.78
4. Step 4: Simplify right side
   2,385,925,618.71x = 25,630,778,040,084,639,744
5. Step 5: Solve for x
   x = 25,630,778,040,084,639,744/2,385,925,618.71
6. Step 6: Final answer
   x = 10,742,488,298.50