Finding the Third Proportional to 82,690,968 and 123,230,178

Step by Step Solution

1. Step 1: Write the proportion equation
   82,690,968 : 123,230,178 = 123,230,178 : x
2. Step 2: Convert to fraction form
   82,690,968/123,230,178 = 123,230,178/x
3. Step 3: Cross multiply
   82,690,968x = 123,230,178 × 123,230,178
4. Step 4: Simplify right side
   82,690,968x = 15,185,676,769,911,684
5. Step 5: Solve for x
   x = 15,185,676,769,911,684/82,690,968
6. Step 6: Final answer
   x = 183,643,717.53