Finding the Third Proportional to 39,623,436 and 86,281,196

Step by Step Solution

1. Step 1: Write the proportion equation
   39,623,436 : 86,281,196 = 86,281,196 : x
2. Step 2: Convert to fraction form
   39,623,436/86,281,196 = 86,281,196/x
3. Step 3: Cross multiply
   39,623,436x = 86,281,196 × 86,281,196
4. Step 4: Simplify right side
   39,623,436x = 7,444,444,783,190,416
5. Step 5: Solve for x
   x = 7,444,444,783,190,416/39,623,436
6. Step 6: Final answer
   x = 187,879,839.17