Finding the Third Proportional to 689,093,347.50 and 1,059,185,963.25

Step by Step Solution

1. Step 1: Write the proportion equation
   689,093,347.50 : 1,059,185,963.25 = 1,059,185,963.25 : x
2. Step 2: Convert to fraction form
   689,093,347.50/1,059,185,963.25 = 1,059,185,963.25/x
3. Step 3: Cross multiply
   689,093,347.50x = 1,059,185,963.25 × 1,059,185,963.25
4. Step 4: Simplify right side
   689,093,347.50x = 1,121,874,904,745,830,400
5. Step 5: Solve for x
   x = 1,121,874,904,745,830,400/689,093,347.50
6. Step 6: Final answer
   x = 1,628,044,892.34