Finding the Third Proportional to 979,424.25 and 1,387,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   979,424.25 : 1,387,123.50 = 1,387,123.50 : x
2. Step 2: Convert to fraction form
   979,424.25/1,387,123.50 = 1,387,123.50/x
3. Step 3: Cross multiply
   979,424.25x = 1,387,123.50 × 1,387,123.50
4. Step 4: Simplify right side
   979,424.25x = 1,924,111,604,252.25
5. Step 5: Solve for x
   x = 1,924,111,604,252.25/979,424.25
6. Step 6: Final answer
   x = 1,964,533.35