Finding the Third Proportional to 186,593,231 and 404,903,550

Step by Step Solution

1. Step 1: Write the proportion equation
   186,593,231 : 404,903,550 = 404,903,550 : x
2. Step 2: Convert to fraction form
   186,593,231/404,903,550 = 404,903,550/x
3. Step 3: Cross multiply
   186,593,231x = 404,903,550 × 404,903,550
4. Step 4: Simplify right side
   186,593,231x = 163,946,884,802,602,496
5. Step 5: Solve for x
   x = 163,946,884,802,602,496/186,593,231
6. Step 6: Final answer
   x = 878,632,541.62