Finding the Third Proportional to 1,403,850 and 2,156,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,850 : 2,156,485.50 = 2,156,485.50 : x
2. Step 2: Convert to fraction form
   1,403,850/2,156,485.50 = 2,156,485.50/x
3. Step 3: Cross multiply
   1,403,850x = 2,156,485.50 × 2,156,485.50
4. Step 4: Simplify right side
   1,403,850x = 4,650,429,711,710.25
5. Step 5: Solve for x
   x = 4,650,429,711,710.25/1,403,850
6. Step 6: Final answer
   x = 3,312,625.79