Finding the Third Proportional to 5,878,068,681.75 and 12,691,210,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,878,068,681.75 : 12,691,210,354.50 = 12,691,210,354.50 : x
2. Step 2: Convert to fraction form
   5,878,068,681.75/12,691,210,354.50 = 12,691,210,354.50/x
3. Step 3: Cross multiply
   5,878,068,681.75x = 12,691,210,354.50 × 12,691,210,354.50
4. Step 4: Simplify right side
   5,878,068,681.75x = 161,066,820,262,168,002,560
5. Step 5: Solve for x
   x = 161,066,820,262,168,002,560/5,878,068,681.75
6. Step 6: Final answer
   x = 27,401,316,483.80