Finding the Third Proportional to 621,113,383.50 and 1,329,477,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   621,113,383.50 : 1,329,477,130.50 = 1,329,477,130.50 : x
2. Step 2: Convert to fraction form
   621,113,383.50/1,329,477,130.50 = 1,329,477,130.50/x
3. Step 3: Cross multiply
   621,113,383.50x = 1,329,477,130.50 × 1,329,477,130.50
4. Step 4: Simplify right side
   621,113,383.50x = 1,767,509,440,522,513,920
5. Step 5: Solve for x
   x = 1,767,509,440,522,513,920/621,113,383.50
6. Step 6: Final answer
   x = 2,845,711,407.09