Finding the Third Proportional to 27,715,419,656 and 64,671,547,412

Step by Step Solution

1. Step 1: Write the proportion equation
   27,715,419,656 : 64,671,547,412 = 64,671,547,412 : x
2. Step 2: Convert to fraction form
   27,715,419,656/64,671,547,412 = 64,671,547,412/x
3. Step 3: Cross multiply
   27,715,419,656x = 64,671,547,412 × 64,671,547,412
4. Step 4: Simplify right side
   27,715,419,656x = 4,182,409,044,662,564,159,488
5. Step 5: Solve for x
   x = 4,182,409,044,662,564,159,488/27,715,419,656
6. Step 6: Final answer
   x = 150,905,492,197.99