Finding the Third Proportional to 28,102,069.13 and 42,153,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,102,069.13 : 42,153,103.69 = 42,153,103.69 : x
2. Step 2: Convert to fraction form
   28,102,069.13/42,153,103.69 = 42,153,103.69/x
3. Step 3: Cross multiply
   28,102,069.13x = 42,153,103.69 × 42,153,103.69
4. Step 4: Simplify right side
   28,102,069.13x = 1,776,884,150,489,126
5. Step 5: Solve for x
   x = 1,776,884,150,489,126/28,102,069.13
6. Step 6: Final answer
   x = 63,229,655.53