Finding the Third Proportional to 1,128,672 and 1,531,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,672 : 1,531,152 = 1,531,152 : x
2. Step 2: Convert to fraction form
   1,128,672/1,531,152 = 1,531,152/x
3. Step 3: Cross multiply
   1,128,672x = 1,531,152 × 1,531,152
4. Step 4: Simplify right side
   1,128,672x = 2,344,426,447,104
5. Step 5: Solve for x
   x = 2,344,426,447,104/1,128,672
6. Step 6: Final answer
   x = 2,077,154.79