Finding the Third Proportional to 72,175,588 and 168,415,522

Step by Step Solution

1. Step 1: Write the proportion equation
   72,175,588 : 168,415,522 = 168,415,522 : x
2. Step 2: Convert to fraction form
   72,175,588/168,415,522 = 168,415,522/x
3. Step 3: Cross multiply
   72,175,588x = 168,415,522 × 168,415,522
4. Step 4: Simplify right side
   72,175,588x = 28,363,788,050,532,484
5. Step 5: Solve for x
   x = 28,363,788,050,532,484/72,175,588
6. Step 6: Final answer
   x = 392,983,124.02