Finding the Third Proportional to 117,139,548 and 171,397,316

Step by Step Solution

1. Step 1: Write the proportion equation
   117,139,548 : 171,397,316 = 171,397,316 : x
2. Step 2: Convert to fraction form
   117,139,548/171,397,316 = 171,397,316/x
3. Step 3: Cross multiply
   117,139,548x = 171,397,316 × 171,397,316
4. Step 4: Simplify right side
   117,139,548x = 29,377,039,932,003,856
5. Step 5: Solve for x
   x = 29,377,039,932,003,856/117,139,548
6. Step 6: Final answer
   x = 250,786,693.59