Finding the Third Proportional to 76,888,081.50 and 168,380,946

Step by Step Solution

1. Step 1: Write the proportion equation
   76,888,081.50 : 168,380,946 = 168,380,946 : x
2. Step 2: Convert to fraction form
   76,888,081.50/168,380,946 = 168,380,946/x
3. Step 3: Cross multiply
   76,888,081.50x = 168,380,946 × 168,380,946
4. Step 4: Simplify right side
   76,888,081.50x = 28,352,142,975,854,916
5. Step 5: Solve for x
   x = 28,352,142,975,854,916/76,888,081.50
6. Step 6: Final answer
   x = 368,745,616.00