Finding the Third Proportional to 686,134,815 and 1,060,192,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   686,134,815 : 1,060,192,042.50 = 1,060,192,042.50 : x
2. Step 2: Convert to fraction form
   686,134,815/1,060,192,042.50 = 1,060,192,042.50/x
3. Step 3: Cross multiply
   686,134,815x = 1,060,192,042.50 × 1,060,192,042.50
4. Step 4: Simplify right side
   686,134,815x = 1,124,007,166,980,321,792
5. Step 5: Solve for x
   x = 1,124,007,166,980,321,792/686,134,815
6. Step 6: Final answer
   x = 1,638,172,473.41