Finding the Third Proportional to 779,907,851,612 and 1,698,272,358,280

Step by Step Solution

1. Step 1: Write the proportion equation
   779,907,851,612 : 1,698,272,358,280 = 1,698,272,358,280 : x
2. Step 2: Convert to fraction form
   779,907,851,612/1,698,272,358,280 = 1,698,272,358,280/x
3. Step 3: Cross multiply
   779,907,851,612x = 1,698,272,358,280 × 1,698,272,358,280
4. Step 4: Simplify right side
   779,907,851,612x = 2,884,129,002,897,912,750,931,968
5. Step 5: Solve for x
   x = 2,884,129,002,897,912,750,931,968/779,907,851,612
6. Step 6: Final answer
   x = 3,698,038,168,145.99