Finding the Third Proportional to 2,687,749,418 and 4,207,061,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,749,418 : 4,207,061,925.50 = 4,207,061,925.50 : x
2. Step 2: Convert to fraction form
   2,687,749,418/4,207,061,925.50 = 4,207,061,925.50/x
3. Step 3: Cross multiply
   2,687,749,418x = 4,207,061,925.50 × 4,207,061,925.50
4. Step 4: Simplify right side
   2,687,749,418x = 17,699,370,044,991,766,528
5. Step 5: Solve for x
   x = 17,699,370,044,991,766,528/2,687,749,418
6. Step 6: Final answer
   x = 6,585,200,959.01