Finding the Third Proportional to 86,291,988 and 184,866,168

Step by Step Solution

1. Step 1: Write the proportion equation
   86,291,988 : 184,866,168 = 184,866,168 : x
2. Step 2: Convert to fraction form
   86,291,988/184,866,168 = 184,866,168/x
3. Step 3: Cross multiply
   86,291,988x = 184,866,168 × 184,866,168
4. Step 4: Simplify right side
   86,291,988x = 34,175,500,071,004,224
5. Step 5: Solve for x
   x = 34,175,500,071,004,224/86,291,988
6. Step 6: Final answer
   x = 396,044,880.45