Finding the Third Proportional to 5,678,010,354 and 12,355,847,988

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678,010,354 : 12,355,847,988 = 12,355,847,988 : x
2. Step 2: Convert to fraction form
   5,678,010,354/12,355,847,988 = 12,355,847,988/x
3. Step 3: Cross multiply
   5,678,010,354x = 12,355,847,988 × 12,355,847,988
4. Step 4: Simplify right side
   5,678,010,354x = 152,666,979,502,563,655,680
5. Step 5: Solve for x
   x = 152,666,979,502,563,655,680/5,678,010,354
6. Step 6: Final answer
   x = 26,887,407,733.42