Finding the Third Proportional to 1,118,439,848 and 1,677,659,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,439,848 : 1,677,659,916 = 1,677,659,916 : x
2. Step 2: Convert to fraction form
   1,118,439,848/1,677,659,916 = 1,677,659,916/x
3. Step 3: Cross multiply
   1,118,439,848x = 1,677,659,916 × 1,677,659,916
4. Step 4: Simplify right side
   1,118,439,848x = 2,814,542,793,753,126,912
5. Step 5: Solve for x
   x = 2,814,542,793,753,126,912/1,118,439,848
6. Step 6: Final answer
   x = 2,516,490,090.00