Finding the Third Proportional to 82,827,090 and 128,116,827

Step by Step Solution

1. Step 1: Write the proportion equation
   82,827,090 : 128,116,827 = 128,116,827 : x
2. Step 2: Convert to fraction form
   82,827,090/128,116,827 = 128,116,827/x
3. Step 3: Cross multiply
   82,827,090x = 128,116,827 × 128,116,827
4. Step 4: Simplify right side
   82,827,090x = 16,413,921,360,547,928
5. Step 5: Solve for x
   x = 16,413,921,360,547,928/82,827,090
6. Step 6: Final answer
   x = 198,170,928.87