Finding the Third Proportional to 3,688,426,966 and 5,665,874,979

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688,426,966 : 5,665,874,979 = 5,665,874,979 : x
2. Step 2: Convert to fraction form
   3,688,426,966/5,665,874,979 = 5,665,874,979/x
3. Step 3: Cross multiply
   3,688,426,966x = 5,665,874,979 × 5,665,874,979
4. Step 4: Simplify right side
   3,688,426,966x = 32,102,139,277,658,251,264
5. Step 5: Solve for x
   x = 32,102,139,277,658,251,264/3,688,426,966
6. Step 6: Final answer
   x = 8,703,477,003.50