Finding the Third Proportional to 13,799,574,618.75 and 30,016,977,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,799,574,618.75 : 30,016,977,509.25 = 30,016,977,509.25 : x
2. Step 2: Convert to fraction form
   13,799,574,618.75/30,016,977,509.25 = 30,016,977,509.25/x
3. Step 3: Cross multiply
   13,799,574,618.75x = 30,016,977,509.25 × 30,016,977,509.25
4. Step 4: Simplify right side
   13,799,574,618.75x = 901,018,938,790,820,315,136
5. Step 5: Solve for x
   x = 901,018,938,790,820,315,136/13,799,574,618.75
6. Step 6: Final answer
   x = 65,293,240,094.99