Finding the Third Proportional to 39,623,389 and 86,281,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,623,389 : 86,281,103.50 = 86,281,103.50 : x
2. Step 2: Convert to fraction form
   39,623,389/86,281,103.50 = 86,281,103.50/x
3. Step 3: Cross multiply
   39,623,389x = 86,281,103.50 × 86,281,103.50
4. Step 4: Simplify right side
   39,623,389x = 7,444,428,821,177,712
5. Step 5: Solve for x
   x = 7,444,428,821,177,712/39,623,389
6. Step 6: Final answer
   x = 187,879,659.19