Finding the Third Proportional to 5,878,068,682 and 12,691,210,356

Step by Step Solution

1. Step 1: Write the proportion equation
   5,878,068,682 : 12,691,210,356 = 12,691,210,356 : x
2. Step 2: Convert to fraction form
   5,878,068,682/12,691,210,356 = 12,691,210,356/x
3. Step 3: Cross multiply
   5,878,068,682x = 12,691,210,356 × 12,691,210,356
4. Step 4: Simplify right side
   5,878,068,682x = 161,066,820,300,241,633,280
5. Step 5: Solve for x
   x = 161,066,820,300,241,633,280/5,878,068,682
6. Step 6: Final answer
   x = 27,401,316,489.12