Finding the Third Proportional to 27,680,651 and 64,674,494

Step by Step Solution

1. Step 1: Write the proportion equation
   27,680,651 : 64,674,494 = 64,674,494 : x
2. Step 2: Convert to fraction form
   27,680,651/64,674,494 = 64,674,494/x
3. Step 3: Cross multiply
   27,680,651x = 64,674,494 × 64,674,494
4. Step 4: Simplify right side
   27,680,651x = 4,182,790,174,156,036
5. Step 5: Solve for x
   x = 4,182,790,174,156,036/27,680,651
6. Step 6: Final answer
   x = 151,108,807.89