Finding the Third Proportional to 689,094,156 and 1,059,187,443

Step by Step Solution

1. Step 1: Write the proportion equation
   689,094,156 : 1,059,187,443 = 1,059,187,443 : x
2. Step 2: Convert to fraction form
   689,094,156/1,059,187,443 = 1,059,187,443/x
3. Step 3: Cross multiply
   689,094,156x = 1,059,187,443 × 1,059,187,443
4. Step 4: Simplify right side
   689,094,156x = 1,121,878,039,408,878,208
5. Step 5: Solve for x
   x = 1,121,878,039,408,878,208/689,094,156
6. Step 6: Final answer
   x = 1,628,047,531.15