Finding the Third Proportional to 88,173,720 and 123,325,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,173,720 : 123,325,654.50 = 123,325,654.50 : x
2. Step 2: Convert to fraction form
   88,173,720/123,325,654.50 = 123,325,654.50/x
3. Step 3: Cross multiply
   88,173,720x = 123,325,654.50 × 123,325,654.50
4. Step 4: Simplify right side
   88,173,720x = 15,209,217,057,853,370
5. Step 5: Solve for x
   x = 15,209,217,057,853,370/88,173,720
6. Step 6: Final answer
   x = 172,491,498.12