Finding the Third Proportional to 28,197,709,885.50 and 42,659,819,514

Step by Step Solution

1. Step 1: Write the proportion equation
   28,197,709,885.50 : 42,659,819,514 = 42,659,819,514 : x
2. Step 2: Convert to fraction form
   28,197,709,885.50/42,659,819,514 = 42,659,819,514/x
3. Step 3: Cross multiply
   28,197,709,885.50x = 42,659,819,514 × 42,659,819,514
4. Step 4: Simplify right side
   28,197,709,885.50x = 1,819,860,200,967,055,081,472
5. Step 5: Solve for x
   x = 1,819,860,200,967,055,081,472/28,197,709,885.50
6. Step 6: Final answer
   x = 64,539,290,898.33