Finding the Third Proportional to 31,049,042,892.94 and 67,538,199,397.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049,042,892.94 : 67,538,199,397.31 = 67,538,199,397.31 : x
2. Step 2: Convert to fraction form
   31,049,042,892.94/67,538,199,397.31 = 67,538,199,397.31/x
3. Step 3: Cross multiply
   31,049,042,892.94x = 67,538,199,397.31 × 67,538,199,397.31
4. Step 4: Simplify right side
   31,049,042,892.94x = 4,561,408,377,830,804,291,584
5. Step 5: Solve for x
   x = 4,561,408,377,830,804,291,584/31,049,042,892.94
6. Step 6: Final answer
   x = 146,909,790,216.70