Finding the Third Proportional to 779,907,851,608 and 1,698,272,358,272

Step by Step Solution

1. Step 1: Write the proportion equation
   779,907,851,608 : 1,698,272,358,272 = 1,698,272,358,272 : x
2. Step 2: Convert to fraction form
   779,907,851,608/1,698,272,358,272 = 1,698,272,358,272/x
3. Step 3: Cross multiply
   779,907,851,608x = 1,698,272,358,272 × 1,698,272,358,272
4. Step 4: Simplify right side
   779,907,851,608x = 2,884,129,002,870,740,103,462,912
5. Step 5: Solve for x
   x = 2,884,129,002,870,740,103,462,912/779,907,851,608
6. Step 6: Final answer
   x = 3,698,038,168,130.11