Finding the Third Proportional to 920,692,018.50 and 1,972,709,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   920,692,018.50 : 1,972,709,012.50 = 1,972,709,012.50 : x
2. Step 2: Convert to fraction form
   920,692,018.50/1,972,709,012.50 = 1,972,709,012.50/x
3. Step 3: Cross multiply
   920,692,018.50x = 1,972,709,012.50 × 1,972,709,012.50
4. Step 4: Simplify right side
   920,692,018.50x = 3,891,580,847,998,725,120
5. Step 5: Solve for x
   x = 3,891,580,847,998,725,120/920,692,018.50
6. Step 6: Final answer
   x = 4,226,799,809.06