Finding the Third Proportional to 31,900,756 and 69,977,060

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900,756 : 69,977,060 = 69,977,060 : x
2. Step 2: Convert to fraction form
   31,900,756/69,977,060 = 69,977,060/x
3. Step 3: Cross multiply
   31,900,756x = 69,977,060 × 69,977,060
4. Step 4: Simplify right side
   31,900,756x = 4,896,788,926,243,600
5. Step 5: Solve for x
   x = 4,896,788,926,243,600/31,900,756
6. Step 6: Final answer
   x = 153,500,717.23