Finding the Third Proportional to 1,638,277,715.25 and 3,610,488,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,277,715.25 : 3,610,488,598.50 = 3,610,488,598.50 : x
2. Step 2: Convert to fraction form
   1,638,277,715.25/3,610,488,598.50 = 3,610,488,598.50/x
3. Step 3: Cross multiply
   1,638,277,715.25x = 3,610,488,598.50 × 3,610,488,598.50
4. Step 4: Simplify right side
   1,638,277,715.25x = 13,035,627,919,898,494,976
5. Step 5: Solve for x
   x = 13,035,627,919,898,494,976/1,638,277,715.25
6. Step 6: Final answer
   x = 7,956,909,746.47