Finding the Third Proportional to 1,357,602.19 and 2,012,921.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,602.19 : 2,012,921.72 = 2,012,921.72 : x
2. Step 2: Convert to fraction form
   1,357,602.19/2,012,921.72 = 2,012,921.72/x
3. Step 3: Cross multiply
   1,357,602.19x = 2,012,921.72 × 2,012,921.72
4. Step 4: Simplify right side
   1,357,602.19x = 4,051,853,845,815.45
5. Step 5: Solve for x
   x = 4,051,853,845,815.45/1,357,602.19
6. Step 6: Final answer
   x = 2,984,566.38