Finding the Third Proportional to 27,908,308,177 and 42,897,070,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,908,308,177 : 42,897,070,585.50 = 42,897,070,585.50 : x
2. Step 2: Convert to fraction form
   27,908,308,177/42,897,070,585.50 = 42,897,070,585.50/x
3. Step 3: Cross multiply
   27,908,308,177x = 42,897,070,585.50 × 42,897,070,585.50
4. Step 4: Simplify right side
   27,908,308,177x = 1,840,158,664,817,369,415,680
5. Step 5: Solve for x
   x = 1,840,158,664,817,369,415,680/27,908,308,177
6. Step 6: Final answer
   x = 65,935,873,043.49