Finding the Third Proportional to 7,042,145 and 15,429,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042,145 : 15,429,294.50 = 15,429,294.50 : x
2. Step 2: Convert to fraction form
   7,042,145/15,429,294.50 = 15,429,294.50/x
3. Step 3: Cross multiply
   7,042,145x = 15,429,294.50 × 15,429,294.50
4. Step 4: Simplify right side
   7,042,145x = 238,063,128,767,730.25
5. Step 5: Solve for x
   x = 238,063,128,767,730.25/7,042,145
6. Step 6: Final answer
   x = 33,805,485.23