Finding the Third Proportional to 27,680,647 and 64,674,484

Step by Step Solution

1. Step 1: Write the proportion equation
   27,680,647 : 64,674,484 = 64,674,484 : x
2. Step 2: Convert to fraction form
   27,680,647/64,674,484 = 64,674,484/x
3. Step 3: Cross multiply
   27,680,647x = 64,674,484 × 64,674,484
4. Step 4: Simplify right side
   27,680,647x = 4,182,788,880,666,256
5. Step 5: Solve for x
   x = 4,182,788,880,666,256/27,680,647
6. Step 6: Final answer
   x = 151,108,782.99