Finding the Third Proportional to 17,478,636 and 27,358,839

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478,636 : 27,358,839 = 27,358,839 : x
2. Step 2: Convert to fraction form
   17,478,636/27,358,839 = 27,358,839/x
3. Step 3: Cross multiply
   17,478,636x = 27,358,839 × 27,358,839
4. Step 4: Simplify right side
   17,478,636x = 748,506,071,427,921
5. Step 5: Solve for x
   x = 748,506,071,427,921/17,478,636
6. Step 6: Final answer
   x = 42,824,055.12