Finding the Third Proportional to 13,329,815,253 and 28,665,721,864

Step by Step Solution

1. Step 1: Write the proportion equation
   13,329,815,253 : 28,665,721,864 = 28,665,721,864 : x
2. Step 2: Convert to fraction form
   13,329,815,253/28,665,721,864 = 28,665,721,864/x
3. Step 3: Cross multiply
   13,329,815,253x = 28,665,721,864 × 28,665,721,864
4. Step 4: Simplify right side
   13,329,815,253x = 821,723,609,984,207,683,584
5. Step 5: Solve for x
   x = 821,723,609,984,207,683,584/13,329,815,253
6. Step 6: Final answer
   x = 61,645,536,294.98