Finding the Third Proportional to 39,971,814 and 86,005,746

Step by Step Solution

1. Step 1: Write the proportion equation
   39,971,814 : 86,005,746 = 86,005,746 : x
2. Step 2: Convert to fraction form
   39,971,814/86,005,746 = 86,005,746/x
3. Step 3: Cross multiply
   39,971,814x = 86,005,746 × 86,005,746
4. Step 4: Simplify right side
   39,971,814x = 7,396,988,345,016,516
5. Step 5: Solve for x
   x = 7,396,988,345,016,516/39,971,814
6. Step 6: Final answer
   x = 185,055,107.71