Finding the Third Proportional to 1,918,492,363 and 4,174,807,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,492,363 : 4,174,807,456 = 4,174,807,456 : x
2. Step 2: Convert to fraction form
   1,918,492,363/4,174,807,456 = 4,174,807,456/x
3. Step 3: Cross multiply
   1,918,492,363x = 4,174,807,456 × 4,174,807,456
4. Step 4: Simplify right side
   1,918,492,363x = 17,429,017,294,673,190,912
5. Step 5: Solve for x
   x = 17,429,017,294,673,190,912/1,918,492,363
6. Step 6: Final answer
   x = 9,084,746,768.25