Finding the Third Proportional to 83,061,516 and 181,068,990

Step by Step Solution

1. Step 1: Write the proportion equation
   83,061,516 : 181,068,990 = 181,068,990 : x
2. Step 2: Convert to fraction form
   83,061,516/181,068,990 = 181,068,990/x
3. Step 3: Cross multiply
   83,061,516x = 181,068,990 × 181,068,990
4. Step 4: Simplify right side
   83,061,516x = 32,785,979,139,620,100
5. Step 5: Solve for x
   x = 32,785,979,139,620,100/83,061,516
6. Step 6: Final answer
   x = 394,719,248.08