Finding the Third Proportional to 762,114 and 1,121,139

Step by Step Solution

1. Step 1: Write the proportion equation
   762,114 : 1,121,139 = 1,121,139 : x
2. Step 2: Convert to fraction form
   762,114/1,121,139 = 1,121,139/x
3. Step 3: Cross multiply
   762,114x = 1,121,139 × 1,121,139
4. Step 4: Simplify right side
   762,114x = 1,256,952,657,321
5. Step 5: Solve for x
   x = 1,256,952,657,321/762,114
6. Step 6: Final answer
   x = 1,649,297.42